N2K INC
8-K, 1998-10-29
CATALOG & MAIL-ORDER HOUSES
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                 ------------

                                   FORM 8-K

                                CURRENT REPORT

                    PURSUANT TO SECTION 13 OR 15(D) OF THE
                        SECURITIES EXCHANGE ACT OF 1934


               Date of Report (Date of earliest event reported):

                               October 22, 1998


                                   N2K Inc.
            (Exact name of registrant as specified in its charter)


                                   Delaware
                   (State or jurisdiction of incorporation)


        0-23141                                        06-1455771
(Commission File Number)                    (IRS Employer Identification No.)



             55 Broad Street, 26th Floor, New York, New York 10004
              (Address of principal executive offices) (Zip Code)


                                (212) 378-5555
                        (Registrant's Telephone Number)
<PAGE>
 
Item 5.   Other Events.

          On October 22, 1998, N2K Inc. ("N2K"), CDnow, Inc. ("CDnow") and Exit
8 Holding Company, a newly-formed Pennsylvania corporation formed by N2K and
CDnow and to be known as CDnow/N2K, Inc. ("CDnow/N2K"), entered into an
Agreement and Plan of Merger (the "Merger Agreement") pursuant to which
CDnow/N2K will form two subsidiaries that will merge with and into N2K and CDnow
such that each of N2K and CDnow become wholly-owned subsidiaries of CDnow/N2K
(the "Mergers"). Pursuant to the Merger Agreement, upon the effectiveness of the
Mergers, (i) each outstanding share of Common Stock, par value $.01 per share,
of N2K will be converted into the right to receive 0.83 of a share of Common
Stock, no par value per share, of CDnow/N2K ("CDnow/N2K Common Stock"), (ii)
each outstanding share of Common Stock, no par value per share, of CDnow will be
converted into the right to receive one share of CDnow/N2K Common Stock. As a
result, the shareholders of CDnow would own approximately 60% of the combined
company and the stockholders of N2K would own approximately 40% of the combined
company. The closing stock prices on October 22, 1998, were $9.44 for CDnow and
$5.50 for N2K. Consummation of the Mergers is subject to the satisfaction or
waiver by the parties of certain conditions, including approvals by the
stockholders of N2K and CDnow. N2K or CDnow would be required to pay to the
other a termination fee of $3.75 million (a "Termination Fee") if the Merger
Agreement were terminated due to certain events described in the Merger
Agreement.

          The board of directors of CDnow/N2K will initially consist of four
current members of the board of CDnow, three members of the current board of N2K
and two independent persons jointly selected by the CDnow and N2K board.
Jonathan Diamond, the Vice Chairman of N2K, will be Chairman of CDnow/N2K.
Jason Olim, the President and Chief Executive Officer of CDnow, will be the
President and Chief Executive Officer of CDnow/N2K.  Larry Rosen, the Chairman
and Chief Executive Officer of N2K, will serve as a director of CDnow/N2K. In
addition, the Merger Agreement provides that the following persons are to be
named as other key executives of CDnow/N2K:

     Paula Batson             Vice President of Corporate Communications
     David Capozzi            Vice President, General Counsel and Secretary
     Steve Dong               Vice President of Operations
     Michael Krupit           Vice President of Technology
     David Pakman             Vice President of New Business Development
     Rod Parker               Senior Vice President of Marketing
     J.J. Rosen               Senior Vice President of International
     Robert Saltzman          Vice President of Sales
     Joel Sussman             Vice President and Chief Financial Officer
<PAGE>
 
          In addition to the parties named above, N2K and CDnow anticipate that
other persons will be designated as key executives prior to the consummation of
the Mergers.

          In connection with the Merger Agreement, N2K and CDnow also have
entered into (i) a Stock Option Agreement pursuant to which N2K granted CDnow an
option to purchase under certain circumstances up to 2,827,229 shares, or 19.9%
of the outstanding common stock of N2K, at a purchase price of $5.50 per share
and (ii) a Stock Option Agreement pursuant to which CDnow has granted to N2K an
option to purchase under certain circumstances up to 3,517,207 shares, or 19.9%
of the outstanding common stock of CDnow, at a purchase price of $9.4375 per
share (together, the "Stock Option Agreements"). The Stock Option Agreements
also provide that in certain circumstances the grantee of the option may require
the other party to repurchase the stock option. The repurchase price would be
equal to the difference (the "Spread") between the then-current market price of
the common stock and the option exercise price. CDnow and N2K are each limited,
however, to a "Total Profit" of $3.75 million. "Total Profit" means the sum of
(x) any Termination Fee, (y) any Spread and (z) any excess of the amount
received upon the sale of any shares obtained upon exercise of the Stock Option
Agreement after deducting the amount paid upon exercise of the option.

          In addition, certain stockholders of N2K holding over 16% of the
outstanding common stock of N2K have entered into a Stockholder Support
Agreement with CDnow pursuant to which such stockholders agreed to vote their
shares in favor of the adoption of the Merger Agreement and approval of the
Mergers, subject to certain conditions; and Jason Olim, a stockholder of CDnow
holding over 16% of the outstanding common stock of CDnow, has entered into a
Stockholder Support Agreement with N2K pursuant to which he agreed to vote his
shares in favor of the adoption of the Merger Agreement and approval of the
Mergers, subject to certain conditions (together, the "Stockholder Support
Agreements").

          On October 23, 1998, N2K and CDnow issued a joint press release
announcing the execution of the Merger Agreement.  The Merger Agreement, the
Stock Option Agreements, the Stockholder Support Agreements and the press
release are filed as exhibits hereto and are incorporated by reference herein.

Item 7.   Financial Statements and Exhibits

   (c)    Exhibits

  2.1     Agreement and Plan of Merger, dated as of October 22, 1998, by and
          among N2K Inc., CDnow, Inc. and Exit 8 Holding Company.

 10.1     Stock Option Agreement (CDnow) dated as of October 22, 1998 by and
          between N2K Inc. and CDnow, Inc.

 10.2     Stock Option Agreement (N2K) dated as of October 22, 1998 by and
          between N2K Inc. and CDnow, Inc.

 10.3     Shareholder Support Agreement (CDnow), dated as of October 22, 1998,
          by Jason Olim, to and for the benefit of N2K Inc.

 10.4     Stockholder Support Agreement (N2K), dated as of October 22, 1998, by
          and among certain stockholders of N2K, to and for the benefit of
          CDnow, Inc.

 99.1     Joint Press Release, dated October 22, 1998, issued by N2K Inc. and
          CDnow, Inc.
<PAGE>
 
                                   SIGNATURES

  Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                      N2K INC.
                        


                                 /s/ JAMES E. COANE
                                 -------------------------
                                 James E. Coane
                                 President, Chief Operating Officer and Director

Dated:  October 28, 1998
<PAGE>
 
                                 EXHIBIT INDEX
                                 -------------
                                        
Exhibit Number  Description of Exhibit
- --------------  ----------------------

     2.1        Agreement and Plan of Merger, dated as of October 22, 1998, by
                and among N2K Inc., CDnow, Inc. and Exit 8 Holding Company.

    10.1        Stock Option Agreement (CDnow) dated as of October 22, 1998 by
                and between N2K Inc. and CDnow, Inc.

    10.2        Stock Option Agreement (N2K) dated as of October 22, 1998 by
                and between N2K Inc. and CDnow, Inc.

    10.3        Shareholder Support Agreement (CDnow), dated as of October 22,
                1998, by Jason Olim, to and for the benefit of N2K Inc.

    10.4        Stockholder Support Agreement (N2K), dated as of October 22,
                1998, by and among certain stockholders of N2K, to and for the
                benefit of CDnow, Inc.

    99.1        Joint Press Release, dated October 22, 1998, issued by N2K Inc.
                and CDnow, Inc.

<PAGE>
                                                                     Exhibit 2.1
 
                         AGREEMENT AND PLAN OF MERGER


                         DATED AS OF OCTOBER 22, 1998


                                     AMONG


                                   N2K INC.,

                                  CDNOW, INC.


                                      AND


                            EXIT 8 HOLDING COMPANY
<PAGE>
 
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                                                    PAGE
                                                                                                    ----
<S>                                                                                                 <C>
ARTICLE I.   THE MERGERS                                                                               2

       Section 1.1.    Articles of Incorporation and Bylaws of NewCo...............................    2
       Section 1.2.    The N2K Merger..............................................................    2
       Section 1.3.    The CDnow Merger............................................................    2
       Section 1.4.    Effective Time of the Mergers...............................................    3
       Section 1.5.    Closing.....................................................................    3
       Section 1.6.    Effect of the Mergers.......................................................    3
       Section 1.7.    Certificate of Incorporation and Bylaws of the Surviving
                       Corporations................................................................    3
       Section 1.8.    Directors and Officers of the Surviving Corporations........................    4

ARTICLE II.   CONVERSION OF SECURITIES                                                                 4

       Section 2.1.    Conversion of N2K Capital Stock.............................................    4
       Section 2.2.    Conversion of CDnow Capital Stock...........................................    5
       Section 2.3.    Cancellation of NewCo Stock.................................................    5
       Section 2.4.    Exchange of Certificates....................................................    5

ARTICLE III.   REPRESENTATIONS AND WARRANTIES OF N2K                                                   8

       Section 3.1.    Organization of N2K.........................................................    8
       Section 3.2.    N2K Capital Structure.......................................................    9
       Section 3.3.    Authority; No Conflict; Required Filings and Consents.......................   10
       Section 3.4.    SEC Filings; Financial Statements...........................................   11
       Section 3.5.    No Undisclosed Liabilities..................................................   12
       Section 3.6.    Absence of Certain Changes or Events........................................   12
       Section 3.7.    Taxes.......................................................................   12
       Section 3.8.    Properties..................................................................   14
       Section 3.9.    Intellectual Property.......................................................   14
       Section 3.10.   Agreements, Contracts and Commitments......................................    14
       Section 3.11.   Litigation.................................................................    15
       Section 3.12.   Environmental Matters......................................................    15
       Section 3.13.   Employee Benefit Plans.....................................................    16
       Section 3.14.   Compliance With Laws.......................................................    18
       Section 3.15.   Tax Matters................................................................    18
       Section 3.16.   Registration Statement; Joint Proxy Statement/Prospectus...................    19
       Section 3.17.   Labor Matters..............................................................    19
       Section 3.18.   Insurance..................................................................    19
       Section 3.19.   Opinion of Financial Advisor...............................................    20
       Section 3.20.   No Existing Discussions....................................................    20
       Section 3.21.   Section 203 of the DGCL Not Applicable.....................................    20
</TABLE>

                                       i
<PAGE>
 
<TABLE>
<S>                                                                                                   <C>
ARTICLE IV.   REPRESENTATIONS AND WARRANTIES OF CDNOW                                                  20

       Section 4.1.     Organization of CDnow.......................................................   20
       Section 4.2.     CDnow Capital Structure.....................................................   21
       Section 4.3.     Authority; No Conflict; Required Filings and Consents.......................   22
       Section 4.4.     SEC Filings; Financial Statements...........................................   23
       Section 4.5.     No Undisclosed Liabilities..................................................   23
       Section 4.6.     Absence of Certain Changes or Events........................................   23
       Section 4.7.     Taxes.......................................................................   24
       Section 4.8.     Properties..................................................................   25
       Section 4.9.     Intellectual Property.......................................................   25
       Section 4.10.    Agreements; Contracts and Commitments......................................    26
       Section 4.11.    Litigation.................................................................    26
       Section 4.12.    Environmental Matters......................................................    26
       Section 4.13.    Employee Benefit Plans.....................................................    27
       Section 4.14.    Compliance With Laws.......................................................    29
       Section 4.15.    Tax Matters................................................................    29
       Section 4.16.    Registration Statement; Joint Proxy Statement/Prospectus...................    29
       Section 4.17.    Labor Matters..............................................................    30
       Section 4.18.    Insurance..................................................................    30
       Section 4.19.    Opinion of Financial Advisor...............................................    30
       Section 4.20.    No Existing Discussions....................................................    30
       Section 4.21.    Section 1715 of the PBCL Not Applicable....................................    30
ARTICLE V.   COVENANTS                                                                                 31
       Section 5.1.     Conduct of Business.........................................................   31
       Section 5.2.     Cooperation; Notice; Cure...................................................   33
       Section 5.3.     No Solicitation.............................................................   34
       Section 5.4.     Joint Proxy Statement/Prospectus; Registration Statement....................   35
       Section 5.5.     Nasdaq Quotation............................................................   35
       Section 5.6.     Access to Information.......................................................   35
       Section 5.7.     Stockholders' Meetings......................................................   36
       Section 5.8.     Legal Conditions to Merge...................................................   36
       Section 5.9.     Public Disclosure...........................................................   37
       Section 5.10.    Nonrecognition Exchange....................................................    37
       Section 5.11.    Pooling Accounting.........................................................    38
       Section 5.12.    Affiliate Agreements.......................................................    38
       Section 5.13.    Nasdaq Listing.............................................................    38
       Section 5.14.    Stock Plans................................................................    38
       Section 5.15.    Brokers or Finders.........................................................    40
       Section 5.16.    Indemnification............................................................    40
       Section 5.17.    Letter of CDnow's Accountants..............................................    41
       Section 5.18.    Letter of N2K's Accountants................................................    41
       Section 5.19.    Stock Option Agreements....................................................    41
       Section 5.20.    Transition Planning........................................................    41
</TABLE>

                                       ii
<PAGE>
 
<TABLE>
<S>                                                                                                   <C>
       Section 5.21.    Post-Merger Corporate Governance; Employment Arrangements..................   41
       Section 5.22.    Name of NewCo..............................................................   43
       Section 5.23.    Warrants; Registration Rights Agreement....................................   43
       Section 5.24.    Conveyance Taxes...........................................................   44
       Section 5.25.    Transfer Taxes.............................................................   44
       Section 5.26.    Stockholder Litigation.....................................................   44
       Section 5.27.    Employee Benefits; Severance...............................................   45
       Section 5.28.    Subsequent Financial Statements............................................   45
       Section 5.29.    Control of Operations......................................................   45
       Section 5.30.    Certain Modifications; Restructuring Charges...............................   46

ARTICLE VI.   CONDITIONS TO MERGERS                                                                   46
 
       Section 6.1.     Conditions to Each Party's Obligation to Effect the Mergers.................  46
       Section 6.2.     Additional Conditions to Obligations of N2K.................................  47
       Section 6.3.     Additional Conditions to Obligations of CDnow...............................  48

ARTICLE VII.   TERMINATION AND AMENDMENT                                                              49

       Section 7.1.     Termination.................................................................  49 
       Section 7.2.     Effect of Termination.......................................................  51 
       Section 7.3.     Fees and Expenses...........................................................  51 
       Section 7.4.     Amendment...................................................................  53 
       Section 7.5.     Extension; Waiver...........................................................  53 

ARTICLE VIII.   MISCELLANEOUS                                                                         54

       Section 8.1.     Nonsurvival of Representations, Warranties and Agreements...................  54 
       Section 8.2.     Notices.....................................................................  54 
       Section 8.3.     Interpretation..............................................................  55 
       Section 8.4.     Counterparts................................................................  55 
       Section 8.5.     Entire Agreement; No Third Party Beneficiaries..............................  55 
       Section 8.6.     Governing Law...............................................................  56 
       Section 8.7.     Assignment..................................................................  56 
</TABLE>

EXHIBITS

Exhibit A         Stock Option Agreement (N2K)
Exhibit B         Stock Option Agreement (CDnow)
Exhibit C         Stockholder Support Agreement (N2K)
Exhibit D         Stockholder Support Agreement (CDnow)
Exhibit E         Form of Articles of Incorporation of NewCo
Exhibit F         Form of Bylaws of NewCo
Exhibit G         Form of N2K Affiliate Agreement
Exhibit H         Form of CDnow Affiliate Agreement
Exhibit I         Employment Agreement for Jason Olim
Exhibit J         Employment Agreement for Jonathan Diamond

                                      iii
<PAGE>
 
       CROSS REFERENCE

<TABLE>
TERMS                                                                                               IN AGREEMENT
- -----                                                                                               ------------
                            TABLES OF DEFINED TERMS
<S>                                                                                                 <C> 
       Acquisition Proposal........................................................................    34
       Affiliate...................................................................................    38
       Affiliate Agreement,........................................................................    38
       Affiliate Agreements........................................................................    38
       Agreement...................................................................................     1
       Alternative Transaction.....................................................................    53
       Bankruptcy and Equity Exception.............................................................    10
       CDnow.......................................................................................     1
       CDnow Balance Sheet.........................................................................    23
       CDnow Common Stock..........................................................................     5
       CDnow Director..............................................................................    42
       CDnow Disclosure Schedule...................................................................    20
       CDnow Employees.............................................................................    45
       CDnow Exchange Ratio........................................................................     5
       CDnow Material Adverse Effect...............................................................    20
       CDnow Material Contracts....................................................................    26
       CDnow Merger................................................................................     3
       CDnow SEC Reports...........................................................................    23
       CDnow Stock Option..........................................................................    38
       CDnow Stock Option Agreement................................................................     1
       CDnow Stock Plans...........................................................................    21
       CDnow Stockholder Support Agreement.........................................................     1
       CDnow Stockholders' Meeting.................................................................    19
       CDnow Sub...................................................................................     2
       CDnow Surviving Corporation.................................................................     3
       Certificate of Merger.......................................................................     3
       Certificates................................................................................     6
       Certificates of Merger......................................................................     3
       Closing.....................................................................................     3
       Closing Date................................................................................     3
       Code........................................................................................     2
       Confidentiality Agreements..................................................................    34
       DGCL........................................................................................     2
       Effective Time..............................................................................     3
       Environmental Law...........................................................................    16
       Exchange Act................................................................................    11
       Exchange Agent..............................................................................     6
       Exchange Fund...............................................................................     6
       Fee Payment Date............................................................................    51
       Governmental Entity.........................................................................    11
       Hazardous Substance.........................................................................    16
</TABLE> 

                                       iv
<PAGE>
 
       CROSS REFERENCE

<TABLE>
TERMS                                                                                                 IN AGREEMENT
- -----                                                                                                 ------------
<S>                                                                                                   <C>       
       HSR Act.....................................................................................   11
       Indemnified Parties.........................................................................   40
       IRS.........................................................................................   13
       Joint Proxy Statement/Prospectus............................................................   19
       Material Contract...........................................................................   14
       Mergers.....................................................................................    3
       N2K.........................................................................................    1
       N2K Balance Sheet...........................................................................   12
       N2K Common Stock............................................................................    4
       N2K Director................................................................................   42
       N2K Disclosure Schedule.....................................................................    8
       N2K Employees...............................................................................   45
       N2K Exchange Ratio..........................................................................    5
       N2K Material Adverse Effect.................................................................    9
       N2K Material Contracts......................................................................   14
       N2K Merger..................................................................................    2
       N2K Preferred Stock.........................................................................    9
       N2K SEC Reports.............................................................................   11
       N2K Stock Option............................................................................   38
       N2K Stock Option Agreement..................................................................    1
       N2K Stock Plans.............................................................................    9
       N2K Stockholder Support Agreement...........................................................    1
       N2K Stockholders' Meeting...................................................................   19
       N2K Sub.....................................................................................    2
       N2K Surviving Corporation...................................................................    3
       Nasdaq......................................................................................    7
       NewCo.......................................................................................    1
       NewCo Common Stock..........................................................................    5
       Order.......................................................................................   37
       Outside Date................................................................................   49
       PBCL........................................................................................    3
       Registration Statement......................................................................   19
       SEC.........................................................................................   11
       Securities Act..............................................................................    8
       Stock Option Agreements.....................................................................    1
       Superior Proposal...........................................................................   34
       Surviving Corporations......................................................................    3
       Tax.........................................................................................   12
       Taxes.......................................................................................   13
       Taxes,......................................................................................   12
       Third Party.................................................................................   34
       Transfer Taxes..............................................................................   44
</TABLE> 

                                       v
<PAGE>
 
                         AGREEMENT AND PLAN OF MERGER

         AGREEMENT AND PLAN OF MERGER (the "Agreement"), dated as of October 22,
1998, by and among N2K Inc., a Delaware corporation ("N2K"), CDnow, Inc., a
Pennsylvania corporation ("CDnow"), and Exit 8 Holding Company, a newly-formed
Pennsylvania corporation with nominal capitalization, one-half of the issued and
outstanding capital stock of which is owned by each of N2K and CDnow ("NewCo").

         WHEREAS, the Boards of Directors of N2K and CDnow deem it advisable and
in the best interests of each corporation and its respective stockholders that
N2K and CDnow combine in a "merger of equals" in order to advance the interests
of N2K and CDnow and their respective stockholders;

         WHEREAS, the combination of N2K and CDnow shall be effected by the
terms of this Agreement through (i) a merger of a wholly-owned subsidiary of
NewCo with and into N2K and (ii) a merger of another wholly-owned subsidiary of
NewCo with and into CDnow, such that N2K and CDnow become wholly-owned
subsidiaries of NewCo and the stockholders of N2K and CDnow become stockholders
of NewCo;

         WHEREAS, concurrently with the execution and delivery of this Agreement
and as a condition and inducement to each of N2K's and CDnow's willingness to
enter into this Agreement, N2K and CDnow have entered into (i) a Stock Option
Agreement dated as of the date of this Agreement and attached hereto as Exhibit
A (the "N2K Stock Option Agreement"), pursuant to which CDnow has granted N2K an
option to purchase shares of common stock of CDnow under certain circumstances,
and (ii) a Stock Option Agreement dated as of the date of this Agreement and
attached hereto as Exhibit B (the "CDnow Stock Option Agreement" and, together
with the N2K Stock Option Agreement, the "Stock Option Agreements"), pursuant to
which N2K has granted CDnow an option to purchase shares of common stock of N2K
under certain circumstances;

         WHEREAS, concurrently with the execution and delivery of this Agreement
and as a condition and inducement to N2K's willingness to enter into this
Agreement, a stockholder of CDnow has entered into a Stockholder Support
Agreement with N2K, dated as of the date of this Agreement and attached hereto
as Exhibit C (the "CDnow Stockholder Support Agreement"), pursuant to which such
stockholder has agreed, among other things, to vote all voting securities of
CDnow beneficially owned by him in favor of approval and adoption of the
Agreement and the CDnow Merger (as defined in Section 1.3);

         WHEREAS, concurrently with the execution and delivery of this Agreement
and as a condition and inducement to CDnow's willingness to enter into this
Agreement, certain stockholders of N2K have entered into a Stockholder Support
Agreement with CDnow, dated as of the date of this Agreement and attached hereto
as Exhibit D (the "N2K Stockholder Support Agreement"), pursuant to which such
stockholders have

                                       1
<PAGE>
 
agreed, among other things, to vote all voting securities of N2K beneficially
owned by them in favor of approval and adoption of the Agreement and the N2K
Merger (as defined in Section 1.2);

         WHEREAS, for Federal income tax purposes, it is intended that (i) the
N2K Merger (as defined in Section 1.2) shall qualify as a reorganization
described in Section 368(a) of the Internal Revenue Code of 1986, as amended
(the "Code"), and/or, taken together with the CDnow Merger (as defined in
Section 1.3), as a transfer of property to NewCo by holders of N2K Common Stock
(as defined in Section 2.1) described in Section 351 of the Code and (ii) the
CDnow Merger shall qualify as a reorganization described in Section 368(a) of
the Code and/or, taken together with the N2K Merger, as a transfer of property
to NewCo by holders of CDnow Common Stock described in Section 351 of the Code;
and

         WHEREAS, the Boards of Directors of N2K and CDnow have approved this
Agreement, the Stock Option Agreements and the Stockholder Support Agreements.

         NOW, THEREFORE, in consideration of the foregoing and the respective
representations, warranties, covenants and agreements set forth below, and
intending to be legally bound hereby, the parties agree as follows:


                                  ARTICLE I.

                                  THE MERGERS

         Section 1.1.  ARTICLES OF INCORPORATION AND BYLAWS OF NEWCO. 
                       ----------------------------------------------
N2K and CDnow shall cause the Articles of Incorporation and Bylaws of NewCo to
be amended prior to the Effective Time (as defined in Section 1.4) to be
substantially in the forms of Exhibit E and Exhibit F hereto, respectively. From
the date hereof until the Effective Time, N2K and CDnow shall consult with each
other prior to causing or permitting NewCo to take any action and neither shall
cause or permit NewCo to take any action inconsistent with the provisions of
this Agreement without the written consent of the other.

         Section 1.2.  THE N2K MERGER. 
                       ---------------  
N2K and CDnow shall cause NewCo to form a wholly-owned subsidiary named N2K
Acquisition Corp. ("N2K Sub") under the laws of the State of Delaware. N2K and
CDnow will cause NewCo to cause N2K Sub to execute and deliver a joinder to this
Agreement. Upon the terms and subject to the provisions of this Agreement, and
in accordance with the General Corporation Law of the State of Delaware (the
"DGCL"), N2K Sub will merge with and into N2K (the "N2K Merger") at the
Effective Time (as defined in Section 1.4). N2K Sub will be formed solely to
facilitate the N2K Merger and will conduct no business or activity other than in
connection with the N2K Merger.

         Section 1.3.  THE CDNOW MERGER. 
                       -----------------

                                       2
<PAGE>
 
N2K and CDnow shall cause NewCo to form a wholly-owned subsidiary named CDnow
Acquisition Corp. ("CDnow Sub") under the laws of the Commonwealth of
Pennsylvania. N2K and CDnow will cause NewCo to cause CDnow Sub to execute and
deliver a joinder to this Agreement. Upon the terms and subject to the
provisions of this Agreement, and in accordance with the Pennsylvania Business
Corporation Law of 1988, as amended (the "PBCL"), CDnow Sub will merge with and
into CDnow (the "CDnow Merger" and together with the N2K Merger, the "Mergers")
at the Effective Time (as defined in Section 1.4). CDnow Sub will be formed
solely to facilitate the CDnow Merger and will conduct no business or activity
other than in connection with the CDnow Merger.

         Section 1.4.  EFFECTIVE TIME OF THE MERGERS. 
                       ------------------------------
Subject to the provisions of this Agreement, a certificate or articles of merger
with respect to each Merger in such form as is required by the relevant
provisions of the DGCL and the PBCL, as the case may be, (individually, a
"Certificate of Merger" with respect to one of the Mergers, and collectively
with respect to both Mergers, the "Certificates of Merger") shall be duly
prepared, executed and acknowledged and thereafter delivered to the secretaries
of state of the State of Delaware and the Commonwealth of Pennsylvania, as the
case may be, for filing, as provided in the DGCL and the PBCL, as early as
practicable on the Closing Date (as defined in Section 1.5). Each Merger shall
become effective at such time as is specified in the Certificate of Merger (the
time at which both Mergers have become fully effective being hereinafter
referred to as the "Effective Time").

         Section 1.5.  CLOSING. 
                       --------
The closing of the Mergers (the "Closing") will take place at such time and
place to be agreed upon by the parties hereto, on a date to be specified by
CDnow and N2K, which shall be no later than the second business day after
satisfaction or, if permissible, waiver of the conditions set forth in Article
VI (the "Closing Date"), unless another date is agreed to in writing by CDnow
and N2K.

         Section 1.6.  EFFECT OF THE MERGERS. 
                       ----------------------
As a result of the N2K Merger, the separate corporate existence of N2K Sub shall
cease and N2K shall continue as the surviving corporation (the "N2K Surviving
Corporation"). As a result of the CDnow Merger, the separate corporate existence
of CDnow Sub shall cease and CDnow shall continue as the surviving corporation
(the "CDnow Surviving Corporation" and together with the N2K Surviving
Corporation, the "Surviving Corporations"). Upon becoming effective, the Mergers
shall have the effects set forth in the DGCL and the PBCL. Without limiting the
generality of the foregoing, and subject thereto, at the Effective Time, (i) all
properties, rights, privileges, powers and franchises of N2K and N2K Sub shall
vest in the N2K Surviving Corporation, and all debts, liabilities and duties of
N2K and N2K Sub shall become the debts, liabilities and duties of the N2K
Surviving Corporation and (ii) all properties, rights, privileges, powers and
franchises of CDnow and CDnow Sub shall vest in the CDnow Surviving Corporation,

                                       3
<PAGE>
 
and all debts, liabilities and duties of CDnow and CDnow Sub shall become the
debts, liabilities and duties of the CDnow Surviving Corporation.

         Section 1.7.  CERTIFICATE OF INCORPORATION AND BYLAWS OF THE SURVIVING
                       --------------------------------------------------------
CORPORATIONS. 
- -------------
At the Effective Time, (i) the Certificate of Incorporation and Bylaws of the
N2K Surviving Corporation shall be amended to be identical to the Certificate of
Incorporation and Bylaws, respectively, of N2K Sub as in effect immediately
prior to the Effective Time (except that the name of the N2K Surviving
Corporation shall be N2K Inc.), in each case until duly amended in accordance
with applicable law, and (ii) the Articles of Incorporation and Bylaws of the
CDnow Surviving Corporation shall be amended to be identical to the Articles of
Incorporation and Bylaws, respectively, of CDnow Sub as in effect immediately
prior to the Effective Time (except that the name of the CDnow Surviving
Corporation shall be CDnow Inc.), in each case until duly amended in accordance
with applicable law.

         Section 1.8.  DIRECTORS AND OFFICERS OF THE SURVIVING CORPORATIONS.
                       -----------------------------------------------------  

                  (a)   N2K SURVIVING CORPORATION. The directors of N2K Sub
                        ------------------------- 
immediately prior to the Effective Time shall be the initial directors of the
N2K Surviving Corporation, each to hold office in accordance with the
Certificate of Incorporation and Bylaws of the N2K Surviving Corporation. The
officers of N2K immediately prior to the Effective Time shall be the initial
officers of the N2K Surviving Corporation, each to hold office in accordance
with the Certificate of Incorporation and Bylaws of the N2K Surviving
Corporation.

                  (b)   CDNOW SURVIVING CORPORATION. The directors of CDnow
                        --------------------------- 
Sub immediately prior to the Effective Time shall be the initial directors of
the CDnow Surviving Corporation, each to hold office in accordance with the
Articles of Incorporation and Bylaws of the CDnow Surviving Corporation. The
officers of CDnow immediately prior to the Effective Time shall be the initial
officers of the CDnow Surviving Corporation, each to hold office in accordance
with the Articles of Incorporation and Bylaws of the CDnow Surviving
Corporation.


                                ARTICLE II.    

                           CONVERSION OF SECURITIES

         Section 2.1.  CONVERSION OF N2K CAPITAL STOCK. 
                       --------------------------------
At the Effective Time, by virtue of the N2K Merger and without any action on the
part of any of the parties hereto or the holders of any shares of Common Stock,
par value $.001 per share, of N2K ("N2K Common Stock") or common stock of N2K
Sub:

                  (a)   Capital Stock of N2K Sub.  Each issued and outstanding
                        ------------------------- 
share of the common stock, par value $.01 per share, of N2K Sub shall be
converted into and

                                       4
<PAGE>
 
become one fully paid and nonassessable share of Common Stock, par value $.01
per share, of the N2K Surviving Corporation.

                  (b)   CANCELLATION OF TREASURY STOCK AND CDNOW-OWNED STOCK. 
                        ----------------------------------------------------- 
All shares of N2K Common Stock that are owned by N2K as treasury stock and any
shares of N2K Common Stock owned by CDnow or any wholly-owned Subsidiary (as
defined in Section 3.1) of CDnow shall be canceled and retired and shall cease
to exist and no stock of NewCo or other consideration shall be delivered in
exchange therefor.

                  (c)   EXCHANGE RATIO FOR N2K COMMON STOCK. Subject to Section
                        ------------------------------------
2.4(e), each issued and outstanding share of N2K Common Stock (other than shares
to be canceled in accordance with Section 2.1(b)) shall be converted into the
right to receive 0.83 of a share (the "N2K Exchange Ratio") of Common Stock, no
par value per share, of NewCo ("NewCo Common Stock"). All such shares of N2K
Common Stock, when so converted, shall no longer be outstanding and shall
automatically be canceled and retired and shall cease to exist, and each holder
of a certificate representing any such shares shall cease to have any ownership
or other rights with respect thereto, except the right to receive the shares of
NewCo Common Stock and any cash in lieu of fractional shares of NewCo Common
Stock to be issued or paid in consideration therefor, in each case upon the
surrender of such certificate in accordance with Section 2.4 and without
interest.

         Section 2.2.  CONVERSION OF CDNOW CAPITAL STOCK. 
                       ----------------------------------  
At the Effective Time, by virtue of the CDnow Merger and without any action on
the part of any of the parties hereto or the holders of any shares of Common
Stock, no par value per share, of CDnow ("CDnow Common Stock") or common stock
of CDnow Sub:

                  (a)   CAPITAL STOCK OF CDNOW SUB. Each issued and outstanding
                        --------------------------- 
share of the common stock, no par value, of CDnow Sub shall be converted into
and become one fully paid and nonassessable share of Common Stock, no par value,
of the CDnow Surviving Corporation.

                  (b)   CANCELLATION OF TREASURY STOCK AND N2K-OWNED STOCK. All
                        --------------------------------------------------- 
shares of CDnow Common Stock that are owned by CDnow as treasury stock and any
shares of CDnow Common Stock owned by N2K or any wholly-owned Subsidiary (as
defined in Section 3.1) of N2K shall be canceled and retired and shall cease to
exist and no stock of NewCo or other consideration shall be delivered in
exchange therefor.

                  (c)   EXCHANGE RATIO FOR CDNOW COMMON STOCK. Subject to
                        -------------------------------------- 
Section 2.4(e), each issued and outstanding share of CDnow Common Stock (other
than shares to be canceled in accordance with Section 2.2(b)) shall be converted
into the right to receive one share (the "CDnow Exchange Ratio") of NewCo Common
Stock. All such shares of CDnow Common Stock, when so converted, shall no longer
be outstanding and shall automatically be canceled and retired and shall cease
to exist, and each holder of a certificate representing any such shares shall
cease to have any ownership or other rights with respect thereto, except the
right to receive the shares of NewCo Common Stock, in

                                       5
<PAGE>
 
each case upon the surrender of such certificate in accordance with Section 2.4
and without interest.

         Section 2.3.  CANCELLATION OF NEWCO STOCK. 
                       ----------------------------  
At the Effective Time, by virtue of the Mergers and without any action on the
part of any holder of any capital stock of N2K, CDnow or NewCo, each share of
NewCo Common Stock issued and outstanding immediately prior to the Effective
Time shall be surrendered and canceled, and the amount paid by N2K and CDnow for
the shares of NewCo Common Stock held by them shall be returned by NewCo to
them.

         Section 2.4.  EXCHANGE OF CERTIFICATES. 
                       -------------------------
The procedures for exchanging certificates which prior to the Effective Time
represented shares of N2K Common Stock and CDnow Common Stock for certificates
representing NewCo Common Stock pursuant to the Mergers are as follows:

                  (a)   EXCHANGE AGENT. As of the Effective Time, NewCo shall
                        -------------- 
deposit with a bank or trust company designated by CDnow and N2K (the "Exchange
Agent"), for the benefit of the holders of shares of N2K Common Stock and shares
of CDnow Common Stock outstanding immediately prior to the Effective Time, for
exchange in accordance with this Section 2.4, through the Exchange Agent,
certificates representing the shares of NewCo Common Stock and, with respect to
shares of N2K Common Stock, cash in lieu of fractional shares (such shares of
NewCo Common Stock and cash in lieu of fractional shares, together with any
dividends or distributions with respect thereto, being hereinafter referred to
as the "Exchange Fund"), issuable pursuant to Sections 2.1 and 2.2 in exchange
for shares of N2K Common Stock and CDnow Common Stock, respectively, outstanding
immediately prior to the Effective Time.

                  (b)   EXCHANGE PROCEDURES. As soon as reasonably practicable
                        --------------------
after the Effective Time, the Exchange Agent shall mail to each holder of record
of a certificate or certificates which immediately prior to the Effective Time
represented outstanding shares of N2K Common Stock or CDnow Common Stock
(collectively, the "Certificates") whose shares were converted pursuant to
Section 2.1 or Section 2.2 into the right to receive shares of NewCo Common
Stock (i) a letter of transmittal (which shall specify that delivery shall be
effected, and risk of loss and title to the Certificates shall pass, only upon
delivery of the Certificates to the Exchange Agent and shall be in such form and
have such other provisions as N2K and CDnow may reasonably specify) and (ii)
instructions for effecting the surrender of the Certificates in exchange for
certificates representing shares of NewCo Common Stock (plus cash in lieu of
fractional shares, if any, of NewCo Common Stock as provided below). Upon
surrender of a Certificate for cancellation to the Exchange Agent or to such
other agent or agents as may be appointed by NewCo, together with such letter of
transmittal, duly executed, the holder of such Certificate shall be entitled to
receive in exchange therefor a certificate representing that number of whole
shares of NewCo Common Stock, the amount of any cash payable in lieu of
fractional shares of NewCo Common Stock (with respect to shares of N2K Common
Stock), and the Certificate so surrendered shall immediately be canceled. In the

                                       6
<PAGE>
 
event of a transfer of ownership of N2K Common Stock or CDnow Common Stock prior
to the Effective Time which is not registered in the transfer records of N2K or
CDnow, respectively, a certificate representing the number of shares of NewCo
Common Stock issuable and any amounts payable in accordance with this Agreement
may be issued and paid to a transferee if the Certificate representing such N2K
Common Stock or CDnow Common Stock is presented to the Exchange Agent,
accompanied by all documents required to evidence and effect such transfer and
by evidence that any applicable stock transfer taxes have been paid.

                  (c)   DISTRIBUTIONS WITH RESPECT TO UNEXCHANGED SHARES. No
                        -------------------------------------------------
amount in respect of dividends or other distributions declared or made after the
Effective Time with respect to NewCo Common Stock with a record date after the
Effective Time shall be paid to the holder of any unsurrendered Certificate with
respect to the shares of NewCo Common Stock the holder thereof is entitled to
receive in respect thereof and no cash payment in lieu of fractional shares
shall be paid to any such holder pursuant to subsection (e) below until the
holder of record of such Certificate shall surrender such Certificate to NewCo
in accordance herewith. Subject to the effect of applicable laws, following
surrender of any such Certificate, there shall be paid to the record holder of
the certificates representing whole shares of NewCo Common Stock issued in
exchange therefor, without interest, (i) at the time of such surrender, the
amount of any cash payable in lieu of a fractional share of NewCo Common Stock
to which such holder is entitled pursuant to subsection (e) below.

                  (d)   NO FURTHER OWNERSHIP RIGHTS IN N2K COMMON STOCK AND
                        --------------------------------------------------- 
CDNOW COMMON STOCK. All shares of NewCo Common Stock issued upon the surrender
- -------------------
for exchange of Certificates in accordance with the terms hereof (including any
cash paid pursuant to subsection (c) or (e) of this Section 2.4) shall be deemed
to have been issued in full satisfaction of all rights pertaining to the shares
of N2K Common Stock or CDnow Common Stock theretofore represented by such
Certificates. Immediately prior to and all times after the Effective Time there
shall be no further registration of transfers on the stock transfer books of the
N2K Surviving Corporation or the CDnow Surviving Corporation, as the case may
be, of the shares of N2K Common Stock or CDnow Common Stock, respectively, which
were outstanding immediately prior to the Effective Time. If, after the
Effective Time, Certificates are presented to one of the Surviving Corporations
or NewCo for any reason, such Certificates shall be canceled and exchanged as
provided in this Section 2.4.

                  (e)   NO FRACTIONAL SHARES. No certificate or scrip
                        ---------------------
representing fractional shares of NewCo Common Stock shall be issued upon the
surrender for exchange of Certificates representing shares of N2K Common Stock,
and such fractional share interests will not entitle the owner thereof to vote
or to any other rights of a stockholder of NewCo. Notwithstanding any other
provision of this Agreement, each record holder of shares of N2K Common Stock
outstanding immediately prior to the Effective Time exchanged pursuant to the
N2K Merger who would otherwise have been entitled to receive a fraction of a
share of NewCo Common Stock (after taking into

                                       7
<PAGE>
 
account all Certificates delivered by such holder) shall receive, in lieu
thereof, cash (without interest) in an amount equal to such fractional part of a
share of NewCo Common Stock multiplied by the last per share sales price of
NewCo Common Stock (as reported on the Nasdaq National Market (the "Nasdaq")) on
the closing of the first day of regular-way trading of NewCo Common Stock on the
Nasdaq after the Effective Time.

                  (f)   TERMINATION OF EXCHANGE FUND. Any portion of the
                        ----------------------------- 
Exchange Fund which remains undistributed to the former stockholders of N2K or
CDnow for 180 days after the Effective Time shall be delivered to NewCo upon
demand, and any former stockholder of N2K or CDnow who has not previously
complied with this Section 2.4 shall thereafter look only to NewCo for payment
of such former stockholder's claim for NewCo Common Stock, any cash in lieu of
fractional shares of NewCo Common Stock and any amounts in respect of dividends
or distributions with respect to NewCo Common Stock.

                  (g)   NO LIABILITY. None of N2K, CDnow, NewCo or the Exchange
                        -------------
Agent shall be liable to any holder of shares of N2K Common Stock or CDnow
Common Stock, as the case may be, for any shares of NewCo Common Stock (or cash
in lieu of fractional shares of NewCo Common Stock) delivered to a public
official pursuant to any applicable abandoned property, escheat or similar law.

                  (h)   WITHHOLDING RIGHTS. NewCo and each of the Surviving
                        ------------------- 
Corporations shall be entitled to deduct and withhold from the consideration
otherwise payable pursuant to this Agreement to any holder of Certificates which
prior to the Effective Time represented shares of N2K Common Stock or CDnow
Common Stock such amounts as it is required to deduct and withhold with respect
to the making of such payment under the Code, or any provision of state, local
or foreign tax law. To the extent that amounts are so withheld by NewCo or one
of the Surviving Corporations, as the case may be, such withheld amounts shall
be treated for all purposes of this Agreement as having been paid to the holder
of the shares of N2K Common Stock or CDnow Common Stock, as the case may be, in
respect of which such deduction and withholding was made.

                  (i)   LOST CERTIFICATES. If any Certificate shall have been
                        ------------------ 
lost, stolen or destroyed, upon the making of an affidavit of that fact in form
and substance satisfactory to NewCo and the Exchange Act by the person claiming
such Certificate to be lost, stolen or destroyed and, if required by NewCo or
one of the Surviving Corporations, the posting by such person of a bond in such
reasonable amount as NewCo or such Surviving Corporation may direct as indemnity
against any claim that may be made against it with respect to such Certificate,
the Exchange Agent will issue in exchange for such lost, stolen or destroyed
Certificate the shares of NewCo Common Stock and any cash in lieu of fractional
shares, and unpaid dividends and distributions on shares of NewCo Common Stock
deliverable in respect thereof pursuant to this Agreement.

                  (j)   AFFILIATES.  Notwithstanding anything herein to the
                        -----------
contrary, Certificates surrendered for exchange by any Affiliate (as defined in
Section 5.12) of

                                       8
<PAGE>
 
N2K or CDnow shall not be exchanged until (i) NewCo has received an Affiliate
Agreement (as defined in Section 5.12) from such Affiliate or (ii) until the
date as such shares of NewCo Common Stock are freely tradable without violating
the Securities Act of 1933, as amended, and the rules and regulations
promulgated thereunder (collectively, the "Securities Act").


                               ARTICLE III.    

                     REPRESENTATIONS AND WARRANTIES OF N2K

         N2K represents and warrants to CDnow that the statements contained in
this Article III are true and correct except as set forth herein and in the
disclosure schedule delivered by N2K to CDnow on or before the date of this
Agreement (the "N2K Disclosure Schedule").

         Section 3.1.  ORGANIZATION OF N2K. 
                       --------------------  
Each of N2K and its Subsidiaries (as defined below) is duly organized, validly
existing and in good standing under the laws of the jurisdiction of its
organization, has all requisite power to own, lease and operate its property and
to carry on its business as now being conducted and as proposed to be conducted,
and is duly qualified to do business and is in good standing as a foreign
corporation or other entity in each jurisdiction in which the failure to be so
qualified would have a material adverse effect on the business, properties,
financial condition or results of operations of N2K and its Subsidiaries, taken
as a whole (a "N2K Material Adverse Effect"). A true and correct copy of the
Certificate of Incorporation and Bylaws of N2K and each of its Subsidiaries has
been delivered to CDnow. Except as set forth in N2K SEC Reports (as defined in
Section 3.4) filed prior to the date hereof, neither N2K nor any of its
Subsidiaries directly or indirectly owns (other than ownership interests in N2K
or in one or more of its Subsidiaries) any equity or similar interest in, or any
interest convertible into or exchangeable or exercisable for, any corporation,
partnership, joint venture or other business association or entity, excluding
(i) securities in any publicly traded company held for investment by N2K and
comprising less than five percent (5%) of the outstanding stock of such company
and (ii) any investment or series of related investments with a book value of
less than $1 million. As used in this Agreement, the word "Subsidiary" means,
with respect to any party, any corporation or other organization, whether
incorporated or unincorporated, of which (i) such party or any other Subsidiary
of such party is a general partner (excluding partnerships the general
partnership interests of which held by such party or any Subsidiary of such
party do not have a majority of the economic interests in such partnership) or
(ii) at least a majority of the securities or other interests having by their
terms ordinary voting power to elect a majority of the Board of Directors or
others performing similar functions with respect to such corporation or other
organization is directly or indirectly owned or controlled by such party or by
any one or more of its Subsidiaries, or by such party and one or more of its
Subsidiaries.

                                       9
<PAGE>
 
         Section 3.2.   N2K CAPITAL STRUCTURE.
                        ----------------------
 
                  (a)   The authorized capital stock of N2K consists of
100,000,000 shares of N2K Common Stock and 40,000,000 shares of preferred stock,
par value $.001 per share ("N2K Preferred Stock"). As of the date hereof, (i)
14,207,179 shares of N2K Common Stock were issued and outstanding, all of which
are validly issued, fully paid and nonassessable, (ii) no shares of N2K Common
Stock were held in the treasury of N2K or by Subsidiaries of N2K and (iii) no
shares of N2K Preferred Stock were issued and outstanding. Section 3.2(a) of the
N2K Disclosure Schedule shows the number of shares of N2K Common Stock reserved
for future issuance pursuant to stock options granted and outstanding as of the
date hereof and the plans under which such options were granted (collectively,
the "N2K Stock Plans"). There are no obligations, contingent or otherwise, of
N2K or any of its Subsidiaries to repurchase, redeem or otherwise acquire any
shares of N2K Common Stock or the capital stock of any Subsidiary or to provide
funds to or make any material investment (in the form of a loan, capital
contribution or otherwise) in any such Subsidiary or any other entity other than
guarantees of bank obligations or indebtedness for borrowed money of
Subsidiaries entered into in the ordinary course of business and other than any
obligation the failure of which to perform or satisfy would not have a N2K
Material Adverse Effect. All of the outstanding shares of capital stock or other
ownership interests of each of N2K's Subsidiaries are duly authorized, validly
issued, fully paid and nonassessable and all such shares (other than directors'
qualifying shares in the case of foreign Subsidiaries) are owned by N2K or
another Subsidiary of N2K free and clear of all security interests, liens,
claims, pledges, agreements, limitations in N2K's voting rights, charges or
other encumbrances of any nature.

                  (b)   Except as set forth in this Section 3.2 or as
reserved for future grants of options under the N2K Stock Plans or the CDnow
Stock Option Agreement and the options and warrants described in Section 3.2(b)
of the N2K Disclosure Schedule, (i) there are no shares of capital stock of any
class of N2K, or any security exchangeable into or exercisable for such equity
securities, issued, reserved for issuance or outstanding; (ii) there are no
options, warrants, equity securities, calls, rights, commitments or agreements
of any character to which N2K or any of its Subsidiaries is a party or by which
it is bound obligating N2K or any of its Subsidiaries to issue, deliver or sell,
or cause to be issued, delivered or sold, additional shares of capital stock or
other ownership interests of N2K or any of its Subsidiaries or obligating N2K or
any of its Subsidiaries to grant, extend, accelerate the vesting of, or enter
into any such option, warrant, equity security, call, right, commitment or
agreement; and (iii) to the best knowledge of N2K, there are no voting trusts,
proxies or other voting agreements or understandings with respect to the shares
of capital stock of N2K. All shares of N2K Common Stock subject to issuance as
specified in this Section 3.2 are duly authorized and, upon issuance on the
terms and conditions specified in the instruments pursuant to which they are
issuable, shall be validly issued, fully paid and nonassessable.

                                       10
<PAGE>
 
         Section 3.3.  AUTHORITY; NO CONFLICT; REQUIRED FILINGS AND CONSENTS.
                       -----------------------------------------------------

                  (a)   N2K has all requisite corporate power and authority
to enter into this Agreement and the Stock Option Agreements and, subject to
obtaining any necessary stockholder approval of this Agreement, to consummate
the transactions contemplated by this Agreement and the Stock Option Agreements.
The execution and delivery of this Agreement and the Stock Option Agreements and
the consummation of the transactions contemplated by this Agreement and the
Stock Option Agreements by N2K have been duly authorized by all necessary
corporate action on the part of N2K, subject only to the approval and adoption
of this Agreement and the N2K Merger by N2K's stockholders under the DGCL. This
Agreement and the Stock Option Agreements have been duly executed and delivered
by N2K and constitute the valid and binding obligations of N2K, enforceable in
accordance with their terms, subject to bankruptcy, insolvency, fraudulent
transfer, reorganization, moratorium and similar laws of general applicability
relating to or affecting creditors' rights and to general equity principles (the
"Bankruptcy and Equity Exception").

                  (b)   The execution and delivery of this Agreement and
the Stock Option Agreements by N2K does not, and the consummation of the
transactions contemplated by this Agreement and the Stock Option Agreements will
not, (i) conflict with, or result in any violation or breach of, any provision
of the Certificate of Incorporation or Bylaws of N2K or any of its Subsidiaries,
(ii) result in any violation or breach of, or constitute (with or without notice
or lapse of time, or both) a default (or give rise to a right of termination,
cancellation or acceleration of any obligation or loss of any material benefit)
under, or require a consent or waiver under, any of the terms, conditions or
provisions of any note, bond, mortgage, indenture, lease, contract or other
agreement, instrument or obligation to which N2K or any of its Subsidiaries is a
party or by which any of them or any of their properties or assets may be bound
or (iii) conflict with or violate any permit, concession, franchise, license,
judgment, order, decree, statute, law, ordinance, rule or regulation applicable
to N2K or any of its Subsidiaries or any of its or their properties or assets,
except in the case of (ii) and (iii) for any such conflicts, violations,
defaults, terminations, cancellations or accelerations which (x) are not,
individually or in the aggregate, reasonably likely to have a N2K Material
Adverse Effect or (y) would not substantially impair or delay the consummation
of the N2K Merger.

                  (c)   No consent, approval, order or authorization of, or
registration, declaration or filing with, any court, administrative agency or
commission or other governmental authority or instrumentality ("Governmental
Entity") is required by or with respect to N2K or any of its Subsidiaries in
connection with the execution and delivery of this Agreement and the Stock
Option Agreements or the consummation of the transactions contemplated hereby or
thereby, except for (i) any required filing of a pre- merger notification report
under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the
"HSR Act"), (ii) the expiration or termination of any applicable waiting period
under the HSR Act, (iii) the filing of a Certificate of Merger with respect to
the N2K Merger with the Delaware Secretary of State, (iv) the filing of the
Joint Proxy

                                       11
<PAGE>
 
Statement/Prospectus (as defined in Section 3.16 below) with the Securities and
Exchange Commission (the "SEC") in accordance with the Securities Exchange Act
of 1934, as amended and the rules and regulations promulgated thereunder
(collectively, the "Exchange Act"), and the Securities Act, (v) such consents,
approvals, orders, authorizations, registrations, declarations and filings as
may be required under applicable state securities laws and the laws of any
foreign country and (vi) such other consents, authorizations, filings, approvals
and registrations which, if not obtained or made, would not (x) be reasonably
likely to have a N2K Material Adverse Effect or (y) substantially impair or
delay the consummation of the N2K Merger.

         Section 3.4.  SEC FILINGS; FINANCIAL STATEMENTS.
                       ---------------------------------
  
                  (a)  N2K has filed and made available to CDnow all forms,
reports and documents required to be filed by N2K with the SEC since October 17,
1997 (collectively, the "N2K SEC Reports"). The N2K SEC Reports (i) at the time
filed, complied in all material respects with the applicable requirements of the
Securities Act and the Exchange Act, as the case may be, and (ii) did not at the
time they were filed (or if amended or superseded by a filing prior to the date
of this Agreement, then on the date of such filing) contain any untrue statement
of a material fact or omit to state a material fact required to be stated in
such N2K SEC Reports or necessary in order to make the statements in such N2K
SEC Reports, in the light of the circumstances under which they were made, not
misleading. None of N2K's Subsidiaries is required to file any forms, reports or
other documents with the SEC.

                  (b)  Each of the consolidated financial statements (including,
in each case, any related notes) of N2K contained in the N2K SEC Reports
complied as to form in all material respects with the applicable published rules
and regulations of the SEC with respect thereto, was prepared in accordance with
generally accepted accounting principles applied on a consistent basis
throughout the periods involved (except as may be indicated in the notes to such
financial statements or, in the case of unaudited statements, as permitted by
Form 10-Q under the Exchange Act) and fairly presented the consolidated
financial position of N2K and its Subsidiaries as of the dates and the
consolidated results of its operations and cash flows for the periods indicated,
except that the unaudited interim financial statements were or are subject to
normal and recurring year-end adjustments which were not or are not expected to
be material in amount. The balance sheet of N2K as of June 30, 1998 is referred
to herein as the "N2K Balance Sheet."

         Section 3.5.  NO UNDISCLOSED LIABILITIES. 
                       --------------------------
  
     Except as disclosed in the N2K SEC Reports filed prior to the date hereof,
and except for normal or recurring liabilities incurred since June 30, 1998 in
the ordinary course of business consistent with past practices, N2K and its
Subsidiaries do not have any liabilities, either accrued, contingent or
otherwise, of the type required to be reflected in financial statements in
accordance with generally accepted accounting principles, and

                                       12
<PAGE>
 
whether due or to become due, which individually or in the aggregate are
reasonably likely to have a N2K Material Adverse Effect.

         Section 3.6.  ABSENCE OF CERTAIN CHANGES OR EVENTS.
                       ------------------------------------

     Except as disclosed in the N2K SEC Reports filed prior to the date hereof,
since the date of the N2K Balance Sheet, N2K and its Subsidiaries have conducted
their businesses only in the ordinary course and in a manner consistent with
past practice and, since such date, there has not been (i) any event,
development, state of affairs or condition, or series or combination of events,
developments, states of affairs or conditions, which, individually or in the
aggregate, has had or is reasonably likely to have a N2K Material Adverse Effect
(other than events, developments, states of affairs or conditions that are the
effect or result of actions taken by CDnow or economic factors affecting the
economy as a whole or the industry in which N2K competes); (ii) any damage,
destruction or loss (whether or not covered by insurance) with respect to N2K or
any of its Subsidiaries which is reasonably likely to have a N2K Material
Adverse Effect; (iii) any material change by N2K in its accounting methods,
principles or practices to which CDnow has not previously consented in writing;
(iv) any revaluation by N2K of any of its assets which is reasonably likely to
have a N2K Material Adverse Effect; or (v) any other action or event that would
have required the consent of CDnow pursuant to Section 5.1 of this Agreement had
such action or event occurred after the date of this Agreement other than such
actions or events that, individually or in the aggregate, have not had or are
not reasonably likely to have a N2K Material Adverse Effect.

         Section 3.7.  TAXES.
                       -----

                  (a)   For the purposes of this Agreement, a "Tax" or,
collectively, "Taxes," means any and all federal, state, local and foreign
taxes, assessments and other governmental charges, duties, impositions and
liabilities, including taxes based upon or measured by gross receipts, income,
profits, sales, use and occupation, and value added, ad valorem, transfer,
gains, franchise, withholding, payroll, recapture, employment, excise,
unemployment insurance, social security, business license, occupation, business
organization, stamp, environmental and property taxes, together with all
interest, penalties and additions imposed with respect to such amounts. For
purposes of this Agreement, "Taxes" also includes any obligations under any
agreements or arrangements with any other person with respect to Taxes of such
other person (including pursuant to Treas. Reg. ss. 1.1502-6 or comparable
provisions of state, local or foreign tax law) and including any liability for
Taxes of any predecessor entity.

                  (b)   N2K and each of its Subsidiaries have (i) filed all
federal, state, local and foreign Tax returns and reports required to be filed
by them prior to the date of this Agreement (taking into account all applicable
extensions), (ii) paid or accrued all Taxes due and payable, and (iii) paid or
accrued all Taxes for which a notice of assessment or collection has been
received (other than amounts being contested in good faith by appropriate
proceedings), except in the case of clauses (i), (ii) or (iii) for any such
filings, payments or accruals that are not reasonably likely, individually or in
the

                                       13
<PAGE>
 
aggregate, to have a N2K Material Adverse Effect. Neither the Internal Revenue
Service (the "IRS") nor any other taxing authority has asserted any claim for
Taxes, or to the actual knowledge of the executive officers of N2K, is
threatening to assert any claims for Taxes, which claims, individually or in the
aggregate, are reasonably likely to have a N2K Material Adverse Effect. N2K and
each of its Subsidiaries have withheld or collected and paid over to the
appropriate governmental authorities (or are properly holding for such payment)
all Taxes required by law to be withheld or collected, except for amounts that
are not reasonably likely, individually or in the aggregate, to have a N2K
Material Adverse Effect. Neither N2K nor any of its Subsidiaries has made an
election under Section 341(f) of the Code, except for any such election that
shall not have a N2K Material Adverse Effect. There are no liens for Taxes upon
the assets of N2K or any of its Subsidiaries (other than liens for Taxes that
are not yet due or delinquent or that are being contested in good faith by
appropriate proceedings), except for liens that are not reasonably likely,
individually or in the aggregate, to have a N2K Material Adverse Effect.

                  (c)   Neither N2K nor any of its Subsidiaries is or has
been a member of an affiliated group of corporations filing a consolidated
federal income tax return (or a group of corporations filing a consolidated,
combined or unitary income tax return under comparable provisions of state,
local or foreign tax law) other than a group the common parent of which is or
was N2K or any Subsidiary of N2K.

                  (d)   Neither N2K nor any of its Subsidiaries has any
obligation under any agreement or arrangement with any other person with respect
to Taxes of such other person (including pursuant to Treas. Reg. ss. 1.1502-6 or
comparable provisions of state, local or foreign tax law) and including any
liability for Taxes of any predecessor entity, except for obligations that are
not reasonably likely, individually or in the aggregate, to have a N2K Material
Adverse Effect.

                  (e)   Neither N2K nor any of its subsidiaries (i) has
agreed to or is required to make any adjustments pursuant to Section 481 of the
Code; (ii) has knowledge that the IRS has proposed any such adjustment or a
change in accounting method with respect to such entity; or (iii) has an
application pending with the IRS or any other taxing authority requesting
permission for any change in accounting method.

                  (f)   Neither N2K nor any of its subsidiaries was, at any
time during the period specified in Section 897(c)(1)(A)(ii) of the Code, a
United States real property holding corporation within the meaning of Section
897(c)(2) of the Code.

         Section 3.8.   PROPERTIES.
                        ----------

                  (a)   Neither N2K nor any of its Subsidiaries is in default
under any leases for real property leased by N2K or any of its Subsidiaries,
except where the existence of such defaults, individually or in the aggregate,
is not reasonably likely to have a N2K Material Adverse Effect.

                                       14
<PAGE>
 
                  (b)  With respect to each item of real property that N2K
or any of its Subsidiaries owns, except for such matters that, individually or
in the aggregate, are not reasonably likely to have a N2K Material Adverse
Effect: (i) N2K or its Subsidiary has good and clear record and marketable title
to such property, insurable by a recognized national title insurance company at
standard rates, free and clear of any security interest, easement, covenant or
other restriction, except for recorded easements, covenants and other
restrictions which do not materially impair the current uses or occupancy of
such property; and (ii) the improvements constructed on such property are in
good condition, and all mechanical and utility systems servicing such
improvements are in good condition, free in each case of material defects.

         Section 3.9.  INTELLECTUAL PROPERTY. 
                       ---------------------

     N2K (or one or more of its Subsidiaries) owns, or is licensed or otherwise
possesses legally enforceable rights to use, all trademarks, trade names,
service marks, copyrights, and any applications for such trademarks, trade
names, service marks and copyrights, know-how, computer software programs or
applications and tangible or intangible proprietary information or material that
are presently employed by N2K or necessary to conduct the business of N2K as
currently conducted, subject to such exceptions that, individually and in the
aggregate, would not be reasonably likely to have a N2K Material Adverse Effect.
Neither N2K nor any of its Subsidiaries has received any written notice or
otherwise has actual knowledge of any infringement of or conflict with asserted
rights of others or any other claims with respect to any patent and proprietary
rights, or of any basis for rendering any patent and proprietary rights invalid
or inadequate to protect the interest of N2K or any of its Subsidiaries.

         Section 3.10. AGREEMENTS, CONTRACTS AND COMMITMENTS.
                       -------------------------------------
   
                  (a)  Neither N2K nor any of its Subsidiaries has breached, or
received in writing any claim or notice that it has breached, any of the terms
or conditions of any Material Contract ("N2K Material Contracts") in such a
manner as, individually or in the aggregate, are reasonably likely to have a N2K
Material Adverse Effect. Each N2K Material Contract that has not expired by its
terms is in full force and effect. For purposes of this Agreement, the term
"Material Contract" means, in the case of N2K or CDnow, any contract, agreement
or commitment that (i) provides for the cash payment, equivalent equity outlay
or provision of services (A) in an amount greater than $50,000 per annum (or, in
the case of contracts, agreements or commitments related to N2K's Encoded Music
Business, $10,000) or (B) $150,000 over the term of the agreement or (ii)
establishes any form of exclusivity restriction on such party for the calendar
year 1999 and/or thereafter. Each N2K Material Contract is listed on Section
3.10 of the N2K Disclosure Schedule and each N2K Material Contract that relates
to N2K's Encoded Music business is separately identified on Section 3.10 of the
N2K Disclosure Schedule.

                  (b)   Without limiting Section 3.10(a), each of the N2K
Material Contracts to which N2K or any of its Subsidiaries is a party (i) is
valid and binding in accordance with its terms and is in full force and effect,
(ii) neither N2K nor any of its

                                       15
<PAGE>
 
Subsidiaries is in default in any material respect thereof, nor does any
condition exist that with notice or lapses of time or both would constitute a
material default thereunder, and (iii) no party has given any written or (to the
knowledge of N2K) oral notice of termination or cancellation thereof or that
such party intends to assert a breach thereof, or seek to terminate or cancel,
any such agreement, contract or lease, in each case as a result of the
transactions contemplated hereby, subject to such exceptions that, individually
and in the aggregate, would not be reasonably likely to have a N2K Material
Adverse Effect.

                  (c)   The execution and delivery of this Agreement by N2K
does not, and the consummation of the transactions contemplated by this
Agreement will not, result in any violation or breach of, or constitute (with or
without notice or lapse of time, or both) a default (or give rise to a right of
termination, cancellation or acceleration of any obligation or loss of any
material benefit) under, or require the consent or waiver under, any of the
material terms, conditions or provisions of the N2K Material Contracts
identified on Section 3.10(c) of the N2K Disclosure Schedule.

         Section 3.11.  LITIGATION.
                        ----------

                  (a)   Except as described in the N2K SEC Reports filed
prior to the date hereof, there is no action, suit or proceeding, claim,
arbitration or investigation against N2K or any of its Subsidiaries pending or
as to which N2K or any of its Subsidiaries has received any written notice of
assertion, which, individually or in the aggregate, is reasonably likely to have
a N2K Material Adverse Effect or a material adverse effect on the ability of N2K
to consummate the transactions contemplated by this Agreement.

                  (b)   The litigation referred to on Section 3.11(b) of
the N2K Disclosure Schedule is covered (subject to deductibles, limitations,
retentions and restrictions contained therein) by N2K's director and officer
insurance policies. N2K has provided to CDnow copies of all correspondence with
the insurance carriers with respect to such litigation.

                                       16
<PAGE>
 
         Section 3.12. ENVIRONMENTAL MATTERS.
                       ---------------------
  
                  (a)  To the knowledge of N2K and except as disclosed in the
N2K SEC Reports filed prior to the date hereof and except for such matters that,
individually or in the aggregate, are not reasonably likely to have a N2K
Material Adverse Effect: (i) N2K and its Subsidiaries have complied with all
applicable Environmental Laws (as defined in Section 3.12(b)); (ii) the
properties currently owned or operated by N2K and its Subsidiaries (including
soils, groundwater, surface water, buildings or other structures) are not
contaminated with any Hazardous Substances (as defined in Section 3.12(c));
(iii) the properties formerly owned or operated by N2K or any of its
Subsidiaries were not contaminated with Hazardous Substances during the period
of ownership or operation by N2K or any of its Subsidiaries; (iv) neither N2K
nor its Subsidiaries are subject to liability for any Hazardous Substance
disposal or contamination on any third party property; (v) neither N2K nor any
of its Subsidiaries has been associated with any release or threat of release of
any Hazardous Substance; (vi) neither N2K nor any of its Subsidiaries has
received any notice, demand, letter, claim or request for information alleging
that N2K or any of its Subsidiaries may be in violation of or liable under any
Environmental Law; (vii) neither N2K nor any of its Subsidiaries is subject to
any orders, decrees, injunctions or other arrangements with any Governmental
Entity or is subject to any indemnity or other agreement with any third party
relating to liability under any Environmental Law or relating to Hazardous
Substances; and (viii) there are no circumstances or conditions involving N2K or
any of its Subsidiaries that could reasonably be expected to result in any
claims, liability, investigations, costs or restrictions on the ownership, use
or transfer of any property of N2K or any of its Subsidiaries pursuant to any
Environmental Law.

                  (b)  As used herein, the term "Environmental Law" means
any federal, state, local or foreign law, regulation, order, decree, permit,
authorization, opinion, common law or agency requirement relating to: (A) the
protection, investigation or restoration of the environment, health and safety,
or natural resources, (B) the handling, use, presence, disposal, release or
threatened release of any Hazardous Substance or (C) noise, odor, wetlands,
pollution, contamination or any injury or threat of injury to persons or
property.

                  (c)  As used herein, the term "Hazardous Substance" means any
substance that is: (A) listed, classified or regulated pursuant to any
Environmental Law; (B) any petroleum product or by-product, asbestos-containing
material, lead-containing paint or plumbing, polychlorinated biphenyls,
radioactive materials or radon; or (C) any other substance which is the subject
of regulatory action by any Governmental Entity pursuant to any Environmental
Law.

                                       17
<PAGE>
 
         Section 3.13. EMPLOYEE BENEFIT PLANS.
                       ----------------------  

                  (a)  Section 3.13 of the N2K Disclosure Schedule contains a
complete list of all employee benefit plans (as defined in Section 3(3) of the
Employee Retirement Income Security Act of 1974, as amended ("ERISA")), all
employment and severance agreements, and all bonus, stock option, stock
purchase, incentive, deferred compensation, supplemental retirement, severance
and other similar employee benefit plans, programs, policies and agreements,
written or otherwise, in each case that is sponsored, maintained, contributed to
or required to be contributed to by N2K or any of its Subsidiaries or any trade
or business (whether or not incorporated) which, together with N2K or any of its
Subsidiaries, would be deemed a "single employer" under Section 4001(b) of ERISA
(an "ERISA Affiliate"), or to which N2K, any of its Subsidiaries or any ERISA
Affiliate is a party for the benefit of any current or former employee,
consultant, director or independent contractor of N2K or any of its Subsidiaries
(together, the "N2K Employee Plans").

                  (b)  N2K has delivered or made available to CDnow: (i)
accurate and complete copies of all N2K Employee Plan documents and any summary
plan descriptions, summary annual reports and insurance contracts relating
thereto, (ii) accurate and complete detailed summaries of all unwritten N2K
Employee Plans, (iii) accurate and complete copies of the most recent financial
statements and actuarial reports with respect to all N2K Employee Plans for
which financial statements or actuarial reports are required or have been
prepared and (iv) accurate and complete copies of all annual reports for all N2K
Employee Plans (for which annual reports are required) prepared within the last
two years.

                  (c)  All N2K Employee Plans conform in all material respects
to, and are being administered and operated in all material respects in
compliance with, the requirements of ERISA, the Code and all other applicable
laws, including applicable laws of foreign jurisdictions. There have not been
any "prohibited transactions," as such term is defined in Section 4975 of the
Code or Section 406 of ERISA, involving any of the N2K Employee Plans that could
subject N2K or any of its Subsidiaries to any penalties or taxes imposed under
the Code or ERISA.

                  (d)  Except as set forth in the N2K Disclosure Schedule, any
N2K Employee Plan that is intended to be qualified under Section 401(a) of the
Code and exempt from tax under Section 501(a) of the Code has been determined by
the Internal Revenue Service to be so qualified, and such determination remains
in effect and has not been revoked. Nothing has occurred since the date of any
such determination that is reasonably likely to affect adversely such
qualification or exemption in any material respect, or result in the imposition
of material excise taxes or income taxes on unrelated business income under the
Code or ERISA with respect to any N2K Employee Plan.

                  (e)  Except as set forth in the N2K Disclosure Schedule,
neither N2K, any of its Subsidiaries nor any ERISA Affiliate (i) has or at any
time in the past has had a

                                       18
<PAGE>
 
current or contingent obligation to contribute to any multiemployer plan (as
defined in Section 3(37) of ERISA) or (ii) has or at any time in the past has
had any liability, contingent or otherwise, under Title IV of ERISA or Section
412 of the Code.

                  (f)  There are no pending or, to the knowledge of N2K or
any of its Subsidiaries, threatened claims by or on behalf of any N2K Employee
Plan, or by or on behalf of any individual participants or beneficiaries of any
N2K Employee Plan, alleging any breach of fiduciary duty on the part of N2K or
any of its Subsidiaries or any of the officers, directors or employees of N2K or
any of its Subsidiaries under ERISA or any other applicable Regulations, or
claiming benefit payments other than those made in the ordinary operation of
such plans, or alleging any violation of any other applicable Laws. To the
knowledge of N2K or any of its Subsidiaries, the N2K Employee Plans are not the
subject of any investigation, audit or action by the Internal Revenue Service,
the Department of Labor or the Pension Benefit Guaranty Corporation ("PBGC").

                  (g)  With respect to any N2K Employee Plan that is an
employee welfare benefit plan (within the meaning of Section 3(1) of ERISA) (a
"N2K Welfare Plan"), (i) each N2K Welfare Plan for which contributions are
claimed as deductions under any provision of the Code is in compliance in all
material respects with all applicable requirements pertaining to such deduction
and (ii) any N2K Employee Plan that is a group health plan (within the meaning
of Section 4980B(g)(2) of the Code) complies, and in each and every case has
complied in all material respects, with all of the requirements of ERISA and
Section 4980B of the Code. No welfare benefit fund (within the meaning of
Section 419(e)(1) of the Code) or voluntary employees' beneficiary association
(within the meaning of 501(c)(9) of the Code) has been established or maintained
in connection with a N2K Welfare Plan.

                  (h)  Except as disclosed in the N2K Disclosure Schedule
or N2K SEC Reports filed prior to the date of this Agreement, and except as
provided for in this Agreement, the execution of this Agreement and the
performance of the transactions contemplated hereunder will not (either alone or
in combination with the occurrence of any additional or subsequent events)
constitute an event under any N2K Employee Plan that will or may result in any
payment (whether of severance pay or otherwise), acceleration, forgiveness of
indebtedness, vesting, distribution, increase in benefits or obligation to fund
benefits with respect to any current or former employee, director or consultant
of N2K or any of its Subsidiaries. No payments or benefits under any N2K
Employee Plan or other agreement of N2K would result in an "excess parachute
payment" under Section 280G of the Code that would cause a loss of tax deduction
that would be material.

         Section 3.14. COMPLIANCE WITH LAWS. 
                       --------------------
  
     N2K has complied with, is not in violation of, and has not received any
notices of violation with respect to, any federal, state or local statute, law
or regulation with respect to the conduct of its business, or the ownership or
operation of its business, except for

                                       19
<PAGE>
 
failures to comply or violations which, individually or in the aggregate, have
not had and are not reasonably likely to have a N2K Material Adverse Effect.

         Section 3.15. TAX MATTERS.
                       -----------
 
                  (a)  To the best knowledge of N2K, after consulting with
its tax advisors, neither N2K nor any of its Affiliates (as defined in Section
5.12) has taken or agreed to take any action which would prevent the N2K Merger
from qualifying as a reorganization described in Section 368(a) of the Code
and/or, taken together with the CDnow Merger, as a transfer of property to NewCo
by holders of N2K Common Stock described in Section 351 of the Code. Except as
contemplated by the N2K Option Agreement, neither N2K nor any of its
Subsidiaries owns any shares of CDnow Common Stock or other securities
convertible into shares of CDnow Common Stock (exclusive of any shares owned by
N2K's employee benefit plans).

                  (b)  To the best knowledge of N2K, the stockholders of
N2K as a group have no present plan, intention or arrangement to sell or
otherwise dispose of such number of the shares of NewCo Common Stock received in
the N2K Merger as would reduce their ownership in NewCo Common Stock to a number
of shares having a value, as of the date of the N2K Merger, of less than eighty
percent (80%) of the value of all the formerly outstanding stock of N2K as of
the same date.

         Section 3.16. REGISTRATION STATEMENT; JOINT PROXY STATEMENT/PROSPECTUS.
                       --------------------------------------------------------

     The information to be supplied by N2K for inclusion or incorporation by
reference in the registration statement on Form S-4 pursuant to which shares of
NewCo Common Stock issued in the Mergers will be registered under the Securities
Act (the "Registration Statement"), shall not at the time the Registration
Statement is declared effective by the SEC contain any untrue statement of a
material fact or omit to state any material fact required to be stated in the
Registration Statement or necessary in order to make the statements in the
Registration Statement, in light of the circumstances under which they were
made, not misleading. The information supplied by N2K for inclusion or
incorporation by reference in the joint proxy statement/prospectus to be sent to
the stockholders of CDnow and N2K in connection with the meeting of N2K's
stockholders (the "N2K Stockholders' Meeting") and the meeting of CDnow's
stockholders (the "CDnow Stockholders' Meeting") to consider this Agreement and
the Mergers (the "Joint Proxy Statement/Prospectus") shall not, on the date the
Joint Proxy Statement/Prospectus is first mailed to stockholders of N2K or
CDnow, at the time of the N2K Stockholders' Meeting and the CDnow Stockholders'
Meeting and at the Effective Time, contain any statement which, at such time and
in light of the circumstances under which it shall be made, is false or
misleading with respect to any material fact, omit to state any material fact
necessary in order to make the statements made in the Joint Proxy
Statement/Prospectus not false or misleading, or omit to state any material fact
necessary to correct any statement in any earlier communication with respect to
the solicitation of proxies for the N2K Stockholders' Meeting or the CDnow
Stockholders' Meeting which has become false or misleading.

                                       20
<PAGE>
 
         Section 3.17.  LABOR MATTERS. 
                        -------------
 
     Except as disclosed in the N2K SEC Reports filed prior to the date hereof,
neither N2K nor any of its Subsidiaries is a party to or otherwise bound by any
collective bargaining agreement, contract or other agreement or understanding
with a labor union or labor organization, nor, as of the date hereof, is N2K or
any of its Subsidiaries the subject of any material proceeding asserting that
N2K or any of its Subsidiaries has committed an unfair labor practice or is
seeking to compel it to bargain with any labor union or labor organization nor,
as of the date of this Agreement, is there pending or, to the knowledge of the
executive officers of N2K, threatened, any material labor strike, dispute,
walkout, work stoppage, slow-down or lockout involving N2K or any of its
Subsidiaries.

         Section 3.18.  INSURANCE. 
                        ---------

     All material fire and casualty, general liability, business interruption,
product liability, and sprinkler and water damage insurance policies maintained
by N2K or any of its Subsidiaries are with reputable insurance carriers, provide
full and adequate coverage for all normal risks incident to the business of N2K
and its Subsidiaries and their respective properties and assets, and are in
character and amount at least equivalent to that carried by persons engaged in
similar businesses and subject to the same or similar perils or hazards, except
for any such failures to maintain insurance policies that, individually or in
the aggregate, are not reasonably likely to have a N2K Material Adverse Effect.
N2K has maintained such policies on a continuous basis since January 1996.

         Section 3.19.  OPINION OF FINANCIAL ADVISOR. 
                        ----------------------------
 
     The financial advisor of N2K, Allen & Company, Incorporated, has delivered
to N2K an opinion dated the date of this Agreement to the effect that the N2K
Exchange Ratio is fair to the holders of N2K Common Stock from a financial point
of view.

         Section 3.20.  NO EXISTING DISCUSSIONS. 
                        -----------------------
 
     As of the date hereof, N2K is not engaged, directly or indirectly, in any
discussions or negotiations with any other party with respect to an Acquisition
Proposal (as defined in Section 5.3).

         Section 3.21.  SECTION 203 OF THE DGCL NOT APPLICABLE. 
                        --------------------------------------
 
     The restrictions contained in Section 203 of the DGCL applicable to
a "business combination" (as defined in DGCL Section 203) will not apply to the
authorization, execution, delivery and performance of this Agreement or the
Stock Option Agreements by N2K or the Stockholder Support Agreement by the
parties thereto or the consummation of the N2K Merger by N2K. No other "fair
price," "moratorium," "control share acquisition" or other similar anti-takeover
statute or regulation is applicable to N2K or (by reason of N2K's participation
therein) the N2K Merger or the other transactions contemplated by this
Agreement.

                                       21
<PAGE>
 
                                ARTICLE IV.    

                    REPRESENTATIONS AND WARRANTIES OF CDNOW

         CDnow represents and warrants to N2K that the statements contained in
this Article IV are true and correct, except as set forth in the disclosure
schedule delivered by CDnow to N2K on or before the date of this Agreement (the
"CDnow Disclosure Schedule").

         Section 4.1.  ORGANIZATION OF CDNOW. 
                       ---------------------
  
     Each of CDnow and its Subsidiaries is duly organized, validly existing and
in good standing under the laws of the jurisdiction of its organization, has all
requisite power to own, lease and operate its property and to carry on its
business as now being conducted and as proposed to be conducted, and is duly
qualified to do business and is in good standing as a foreign corporation or
other entity in each jurisdiction in which the failure to be so qualified would
have a material adverse effect on the business, properties, financial condition
or results of operations of CDnow and its Subsidiaries, taken as a whole (a
"CDnow Material Adverse Effect"). A true and correct copy of the Certificate of
Incorporation and Bylaws of CDnow and each of its Subsidiaries has been
delivered to N2K. Except as set forth in the CDnow SEC Reports (as defined in
Section 4.4) filed prior to the date hereof, neither CDnow nor any of its
Subsidiaries directly or indirectly owns (other than ownership interests in
CDnow or in one or more of its Subsidiaries) any equity or similar interest in,
or any interest convertible into or exchangeable or exercisable for, any
corporation, partnership, joint venture or other business association or entity,
excluding (i) securities in any publicly traded company held for investment by
CDnow and comprising less than five percent (5%) of the outstanding stock of
such company and (ii) any investment or series of related investments with a
book value of less than $1 million.

                                       22
<PAGE>
 
         Section 4.2.  CDNOW CAPITAL STRUCTURE.
                       -----------------------
  
                  (a)   The authorized capital stock of CDnow consists of
50,000,000 shares of CDnow Common Stock and 20,000,000 shares of preferred
stock, no par value ("N2K Preferred Stock") As of the date hereof, (i)
17,674,405 shares of CDnow Common Stock were issued and outstanding, all of
which are validly issued, fully paid and nonassessable, (ii) no shares of CDnow
Common Stock were held in the treasury of CDnow or by Subsidiaries of CDnow and
(iii) no shares of CDnow Preferred Stock were issued and outstanding. Section
4.2(a) of the CDnow Disclosure Schedule shows the number of shares of CDnow
Common Stock reserved for future issuance pursuant to stock options granted and
outstanding as of the date hereof and the plans under which such options were
granted (collectively, the "CDnow Stock Plans"). There are no obligations,
contingent or otherwise, of CDnow or any of its Subsidiaries to repurchase,
redeem or otherwise acquire any shares of CDnow Common Stock or the capital
stock of any Subsidiary or to provide funds to or make any material investment
(in the form of a loan, capital contribution or otherwise) in any such
Subsidiary or any other entity other than guarantees of bank obligations or
indebtedness for borrowed money of Subsidiaries entered into in the ordinary
course of business and other than any obligation the failure of which to perform
or satisfy would not have a CDnow Material Adverse Effect. All of the
outstanding shares of capital stock or other ownership interests of each of
CDnow's Subsidiaries are duly authorized, validly issued, fully paid and
nonassessable and all such shares (other than directors' qualifying shares in
the case of foreign Subsidiaries) are owned by CDnow or another Subsidiary of
CDnow free and clear of all security interests, liens, claims, pledges,
agreements, limitations in CDnow's voting rights, charges or other encumbrances
of any nature.

                  (b)   Except as set forth in this Section 4.2 or as reserved
for future grants of options under the CDnow Stock Plans or the N2K Stock Option
Agreement and the options and warrants described in Section 4.2(b) of the CDnow
Disclosure Schedule, (i) there are no shares of capital stock of any class of
CDnow, or any security exchangeable into or exercisable for such equity
securities, issued, reserved for issuance or outstanding; (ii) there are no
options, warrants, equity securities, calls, rights, commitments or agreements
of any character to which CDnow or any of its Subsidiaries is a party or by
which it is bound obligating CDnow or any of its Subsidiaries to issue, deliver
or sell, or cause to be issued, delivered or sold, additional shares of capital
stock or other ownership interests of CDnow or any of its Subsidiaries or
obligating CDnow or any of its Subsidiaries to grant, extend, accelerate the
vesting of or enter into any such option, warrant, equity security, call, right,
commitment or agreement; and (iii) to the best knowledge of CDnow, there are no
voting trusts, proxies or other voting agreements or understandings with respect
to the shares of capital stock of CDnow. All shares of CDnow Common Stock
subject to issuance as specified in this Section 4.2 are duly authorized and,
upon issuance on the terms and conditions specified in the instruments pursuant
to which they are issuable, shall be validly issued, fully paid and
nonassessable.

                                       23
<PAGE>
 
         Section 4.3.  AUTHORITY; NO CONFLICT; REQUIRED FILINGS AND CONSENTS.
                       -----------------------------------------------------
  
                  (a)   CDnow has all requisite corporate power and authority to
enter into this Agreement, the Stock Option Agreements and, subject to obtaining
any necessary stockholder approval of this agreement to consummate the
transactions contemplated by this Agreement, the Stock Option Agreements. The
execution and delivery of this Agreement, the Stock Option Agreements and the
consummation of the transactions contemplated by this Agreement, the Stock
Option Agreements by CDnow have been duly authorized by all necessary corporate
action on the part of CDnow, subject only to the approval and adoption of this
Agreement and the CDnow Merger by CDnow's stockholders under the PBCL and the
DGCL. This Agreement, the Stock Option Agreements and the Stockholder Support
Agreement have been duly executed and delivered by CDnow and constitute the
valid and binding obligations of CDnow, enforceable in accordance with their
terms, subject to the Bankruptcy and Equity Exception.

                  (b)   The execution and delivery of this Agreement and
the Stock Option Agreements by CDnow does not, and the consummation of the
transactions contemplated by this Agreement, the Stock Option Agreements and the
Stockholder Support Agreement will not, (i) conflict with, or result in any
violation or breach of, any provision of the Certificate of Incorporation or
Bylaws of CDnow or any of its Subsidiaries, (ii) result in any violation or
breach of, or constitute (with or without notice or lapse of time, or both) a
default (or give rise to a right of termination, cancellation or acceleration of
any obligation or loss of any material benefit) under, or require a consent or
waiver under, any of the terms, conditions or provisions of any note, bond,
mortgage, indenture, lease, contract or other agreement, instrument or
obligation to which CDnow or any of its Subsidiaries is a party or by which any
of them or any of their properties or assets may be bound or (iii) conflict with
or violate any permit, concession, franchise, license, judgment, order, decree,
statute, law, ordinance, rule or regulation applicable to CDnow or any of its
Subsidiaries or any of its or their properties or assets, except in the case of
(ii) and (iii) for any such conflicts, violations, defaults, terminations,
cancellations or accelerations which (x) are not, individually or in the
aggregate, reasonably likely to have a CDnow Material Adverse Effect or (y)
would not substantially impair or delay the consummation of the CDnow Merger.

                  (c)   No consent, approval, order or authorization of, or
registration, declaration or filing with, any Governmental Entity is required by
or with respect to CDnow or any of its Subsidiaries in connection with the
execution and delivery of this Agreement and the Stock Option Agreements or the
consummation of the transactions contemplated hereby or thereby, except for (i)
the filing of the pre-merger notification report under the HSR Act, (ii) the
expiration or termination of the waiting period under the HSR Act, (iii) the
filing of Articles of Merger with respect to the CDnow Merger with the
Pennsylvania Secretary of State, (iv) the filing of the Joint Proxy Statement/
Prospectus with the SEC in accordance with the Exchange Act and the Securities
Act, (v) such consents, approvals, orders, authorizations, registrations,
declarations and filings

                                       24
<PAGE>
 
as may be required under applicable state securities laws and the laws of any
foreign country and (vi) such other consents, authorizations, filings, approvals
and registrations which, if not obtained or made, would not (x) be reasonably
likely to have a CDnow Material Adverse Effect or (y) substantially impair or
delay the consummation of the CDnow Merger.

         Section 4.4.  SEC FILINGS; FINANCIAL STATEMENTS.
                       ---------------------------------
  
                  (a)   CDnow has filed and made available to N2K all
forms, reports and documents required to be filed by CDnow with the SEC since
February 9, 1998 (collectively, the "CDnow SEC Reports"). The CDnow SEC Reports
(i) at the time filed, complied in all material respects with the applicable
requirements of the Securities Act and the Exchange Act, as the case may be, and
(ii) did not at the time they were filed (or if amended or superseded by a
filing prior to the date of this Agreement, then on the date of such filing)
contain any untrue statement of a material fact or omit to state a material fact
required to be stated in such CDnow SEC Reports or necessary in order to make
the statements in such CDnow SEC Reports, in the light of the circumstances
under which they were make, not misleading. None of CDnow's Subsidiaries is
required to file any forms, reports or other documents with the SEC.

                  (b)   Each of the consolidated financial statements
(including, in each case, any related notes) of CDnow contained in the CDnow SEC
Reports complied as to form in all material respects with the applicable
published rules and regulations of the SEC with respect thereto, was prepared in
accordance with generally accepted accounting principles applied on a consistent
basis throughout the periods involved (except as may be indicated in the notes
to such financial statements or, in the case of unaudited statements, as
permitted by Form 10-Q under the Exchange Act) and fairly presented the
consolidated financial position of CDnow and its Subsidiaries as of the dates
and the consolidated results of its operations and cash flows for the periods
indicated, except that the unaudited interim financial statements were or are
subject to normal and recurring year-end adjustments which were not or are not
expected to be material in amount. The balance sheet of CDnow as of June 30,
1998 is referred to herein as the "CDnow Balance Sheet."

         Section 4.5.  NO UNDISCLOSED LIABILITIES. 
                       --------------------------
  
     Except as disclosed in the CDnow SEC Reports filed prior to the date
hereof, and except for normal or recurring liabilities incurred since June 30,
1998 in the ordinary course of business consistent with past practices, CDnow
and its Subsidiaries do not have any liabilities, either accrued, contingent or
otherwise, of the type required to be reflected in financial statements in
accordance with generally accepted accounting principles, and whether due or to
become due, which individually or in the aggregate, are reasonably likely to
have a CDnow Material Adverse Effect.

         Section 4.6.  ABSENCE OF CERTAIN CHANGES OR EVENTS.
                       ------------------------------------
  

                                       25
<PAGE>
 
     Except as disclosed in the CDnow SEC Reports filed prior to the date
hereof, since the date of the CDnow Balance Sheet, CDnow and its Subsidiaries
have conducted their businesses only in the ordinary course and in a manner
consistent with past practice and, since such date, there has not been (i) any
event, development, state of affairs or condition, or series or combination of
events, developments, states of affairs or conditions, which, individually or in
the aggregate, has had or which is reasonably likely to have a CDnow Material
Adverse Effect (other than events, developments, states of affairs or conditions
that are the effect or result of actions taken by N2K or economic factors
affecting the economy as a whole or the industry in which CDnow competes); (ii)
any damage, destruction or loss (whether or not covered by insurance) with
respect to CDnow or any of its Subsidiaries which is reasonably likely to have a
CDnow Material Adverse Effect; (iii) any material change by CDnow in its
accounting methods, principles or practices to which N2K has not previously
consented in writing; (iv) any revaluation by CDnow of any of its assets which
is reasonably likely to have a CDnow Material Adverse Effect; or (v) any other
action or event that would have required the consent of N2K pursuant to Section
5.1 of this Agreement had such action or event occurred after the date of this
Agreement, other than such actions or events that, individually or in the
aggregate, have not had or are not reasonably likely to have a CDnow Material
Adverse Effect.

         Section 4.7.  TAXES.
                       -----
  
                  (a)   CDnow and each of its Subsidiaries have (i) filed
all federal, state, local and foreign Tax returns and reports, required to be
filed by them prior to the date of this Agreement (taking into account all
applicable extensions), (ii) paid or accrued all Taxes due and payable, and
(iii) paid or accrued all Taxes for which a notice of assessment or collection
has been received (other than amounts being contested in good faith by
appropriate proceedings), except in the case of clauses (i), (ii) or (iii) for
any such filings, payments or accruals that are not reasonably likely,
individually or in the aggregate, to have a CDnow Material Adverse Effect.
Neither the IRS nor any other taxing authority has asserted any claim for Taxes,
or to the actual knowledge of the executive officers of CDnow, is threatening to
assert any claims for Taxes, which claims, individually or in the aggregate, are
reasonably likely to have a CDnow Material Adverse Effect. CDnow and each of its
Subsidiaries have withheld or collected and paid over to the appropriate
governmental authorities (or are properly holding for such payment) all Taxes
required by law to be withheld or collected, except for amounts that are not
reasonably likely, individually or in the aggregate, to have a CDnow Material
Adverse Effect. Neither CDnow nor any of its Subsidiaries has made an election
under Section 341(f) of the Code, except for any such election that shall not
have a CDnow Material Adverse Effect. There are no liens for Taxes upon the
assets of CDnow or any of its Subsidiaries (other than liens for Taxes that are
not yet due or delinquent or that are being contested in good faith by
appropriate proceedings), except for liens that are not reasonably likely,
individually or in the aggregate, to have a CDnow Material Adverse Effect.

                                       26
<PAGE>
 
                  (b)   Neither CDnow nor any of its Subsidiaries is or has
been a member of an affiliated group of corporations filing a consolidated
federal income tax return (or a group of corporations filing a consolidated,
combined or unitary income tax return under comparable provisions of state,
local or foreign tax law) other than a group the common parent of which is or
was CDnow or any Subsidiary of CDnow.

                  (c)   Neither CDnow nor any of its Subsidiaries has any
obligation under any agreement or arrangement with any other person with respect
to Taxes of such other person (including pursuant to Treas. Reg. ss. 1.1502-6 or
comparable provisions of state, local or foreign tax law) and including any
liability for Taxes of any predecessor entity, except for obligations that are
not reasonably likely, individually or in the aggregate, to have an CDnow
Material Adverse Effect.

                  (d)   Neither CDnow nor any of its subsidiaries (i) has
agreed to or is required to make any adjustments pursuant to Section 481 of the
Code; (ii) has knowledge that the IRS has proposed any such adjustment or a
change in accounting method with respect to such entity; or (iii) has an
application pending with the IRS or any other taxing authority requesting
permission for any change in accounting method.

                  (e)   Neither CDnow nor any of its subsidiaries was, at
any time during the period specified in Section 897(c)(1)(A)(ii) of the Code, a
United States real property holding corporation within the meaning of Section
897(c)(2) of the Code.

         Section 4.8.  PROPERTIES.
                       ----------
  
                  (a)   Neither CDnow nor any of its Subsidiaries is in
default under any leases for real property leased by CDnow or any of its
Subsidiaries, except where the existence of such defaults, individually or in
the aggregate, is not reasonably likely to have a CDnow Material Adverse Effect.

                  (b)   With respect to each item of real property that
CDnow or any of its Subsidiaries owns, except for such matters that,
individually or in the aggregate, are not reasonably likely to have a CDnow
Material Adverse Effect: (i) CDnow or its Subsidiary has good and clear record
and marketable title to such property, insurable by a recognized national title
insurance company at standard rates, free and clear of any security interest,
easement, covenant or other restriction, except for recorded easements,
covenants and other restrictions which do not materially impair the current uses
or occupancy of such property; and (ii) the improvements constructed on such
property are in good condition, and all mechanical and utility systems servicing
such improvements are in good condition, free in each case of material defects.

         Section 4.9.  INTELLECTUAL PROPERTY. 
                       ---------------------
  
     CDnow (or one or more of its Subsidiaries) owns, or is licensed or
otherwise possesses legally enforceable rights to use, all trademarks, trade
names, service marks, copyrights, and any applications for such trademarks,
trade names, service marks and copyrights,

                                       27
<PAGE>
 
know-how, computer software programs or applications, and tangible or intangible
proprietary information or material that are necessary to conduct the business
of CDnow as currently conducted, subject to such exceptions that, individually
and in the aggregate, would not be reasonably likely to have a CDnow Material
Adverse Effect. Neither CDnow nor any of its Subsidiaries has received any
written notice or otherwise has actual knowledge of any infringement of or
conflict with asserted rights of others or any other claims with respect to any
patent and proprietary rights, or of any basis for rendering any patent and
proprietary rights invalid or inadequate to protect the interest of CDnow or any
of its Subsidiaries.

         Section 4.10.  AGREEMENTS; CONTRACTS AND COMMITMENTS.
                        -------------------------------------
 
                  (a)   Neither CDnow nor any of its Subsidiaries has breached,
or received in writing any claim or notice that it has breached, any of the
terms or conditions of any Material Contract ("CDnow Material Contracts") in
such a manner as, individually or in the aggregate, are reasonably likely to
have a CDnow Material Adverse Effect. Each CDnow Material Contract that has not
expired by its terms is in full force and effect. Each CDnow Material Contract
is listed on Section 4.10 of the CDnow Disclosure Schedule.

                  (b)   Without limiting Section 4.10(a), each of the CDnow
Material Contracts to which CDnow is a party (i) is valid and binding in
accordance with its terms and is in full force and effect, (ii) neither CDnow
nor any of its Subsidiaries is in default in any material respect thereof, nor
does any condition exist that with notice or lapses of time or both would
constitute a material default thereunder, and (iii) no party has given any
written or (to the knowledge of CDnow) oral notice of termination or
cancellation thereof or that such party intends to assert a breach thereof, or
seek to terminate or cancel, any such agreement, contract or lease, in each case
as a result of the transactions contemplated hereby, subject to such exceptions
that, individually and in the aggregate, would not be reasonably likely to have
a CDnow Material Adverse Effect.

                  (c)   The execution and delivery of this Agreement by CDnow
does not, and the consummation of the transactions contemplated by this
Agreement will not, result in any violation or breach of, or constitute (with or
without notice or lapse of time, or both) a default (or give rise to a right of
termination, cancellation or acceleration of any obligation or loss of any
material benefit) under, or require the consent or waiver under, any of the
material terms, conditions or provisions of the CDnow Material Contracts
identified on Section 4.10(c) of the CDnow Disclosure Schedule.

         Section 4.11.  LITIGATION. 
                        ---------- 

     Except as described in the CDnow SEC Reports filed prior to the date
hereof, there is no action, suit or proceeding, claim, arbitration or
investigation against CDnow pending or as to which CDnow has received any
written notice of assertion, which, individually or in the aggregate, is
reasonably likely to have a CDnow Material Adverse Effect or a

                                       28
<PAGE>
 
material adverse effect on the ability of CDnow to consummate the transactions
contemplated by this Agreement.

         Section 4.12.  ENVIRONMENTAL MATTERS. 
                        ---------------------
 
     To the knowledge of CDnow and except as disclosed in the CDnow SEC Reports
filed prior to the date hereof and except for such matters that, individually or
in the aggregate, are not reasonably likely to have a CDnow Material Adverse
Effect: (i) CDnow and its Subsidiaries have complied with all applicable
Environmental Laws; (ii) the properties currently owned or operated by CDnow and
its Subsidiaries (including soils, groundwater, surface water, buildings or
other structures) are not contaminated with any Hazardous Substances; (iii) the
properties formerly owned or operated by CDnow or any of its Subsidiaries were
not contaminated with Hazardous Substances during the period of ownership or
operation by CDnow or any of its Subsidiaries; (iv) neither CDnow nor its
Subsidiaries are subject to liability for any Hazardous Substance disposal or
contamination on any third party property; (v) neither CDnow nor any of its
Subsidiaries has been associated with any release or threat of release of any
Hazardous Substance; (vi) neither CDnow nor any of its Subsidiaries has received
any notice, demand, letter, claim or request for information alleging that CDnow
or any of its Subsidiaries may be in violation of or liable under any
Environmental Law; (vii) neither CDnow nor any of its Subsidiaries is subject to
any orders, decrees, injunctions or other arrangements with any Governmental
Entity or is subject to any indemnity or other agreement with any third party
relating to liability under any Environmental Law or relating to Hazardous
Substances; and (viii) there are no circumstances or conditions involving CDnow
or any of its Subsidiaries that could reasonably be expected to result in any
claims, liability, investigations, costs or restrictions on the ownership, use
or transfer of any property of CDnow or any of its Subsidiaries pursuant to any
Environmental Law.

         Section 4.13.  EMPLOYEE BENEFIT PLANS.
                        ----------------------
 
                  (a)   Section 4.13 of the CDnow Disclosure Schedule contains a
complete list of all employee benefit plans (as defined in Section 3(3) of the
Employee Retirement Income Security Act of 1974, as amended ("ERISA")), all
employment and severance agreements, and all bonus, stock option, stock
purchase, incentive, deferred compensation, supplemental retirement, severance
and other similar employee benefit plans, programs, policies and agreements,
written or otherwise, in each case that is sponsored, maintained, contributed to
or required to be contributed to by CDnow or any of its Subsidiaries or any
trade or business (whether or not incorporated) which, together with CDnow or
any of its Subsidiaries, would be deemed a "single employer" under Section
4001(b) of ERISA (an "ERISA Affiliate"), or to which CDnow, any of its
Subsidiaries or any ERISA Affiliate is a party for the benefit of any current or
former employee, consultant, director or independent contractor of CDnow or any
of its Subsidiaries (together, the "CDnow Employee Plans").

                  (b)   CDnow has delivered or made available to N2K: (i)
accurate and complete copies of all CDnow Employee Plan documents and any
summary plan

                                       29
<PAGE>
 
descriptions, summary annual reports and insurance contracts relating thereto,
(ii) accurate and complete detailed summaries of all unwritten CDnow Employee
Plans, (iii) accurate and complete copies of the most recent financial
statements and actuarial reports with respect to all CDnow Employee Plans for
which financial statements or actuarial reports are required or have been
prepared and (iv) accurate and complete copies of all annual reports for all
CDnow Employee Plans (for which annual reports are required) prepared within the
last two years.

               (c)  All CDnow Employee Plans conform in all material respects
to, and are being administered and operated in all material respects in
compliance with, the requirements of ERISA, the Code and all other applicable
laws, including applicable laws of foreign jurisdictions. There have not been
any "prohibited transactions," as such term is defined in Section 4975 of the
Code or Section 406 of ERISA, involving any of the CDnow Employee Plans that
could subject CDnow or any of its Subsidiaries to any penalties or taxes imposed
under the Code or ERISA.

               (d)  Except as set forth in the CDnow Disclosure Schedule, any
CDnow Employee Plan that is intended to be qualified under Section 401(a) of the
Code and exempt from tax under Section 501(a) of the Code has been determined by
the Internal Revenue Service to be so qualified, and such determination remains
in effect and has not been revoked. Nothing has occurred since the date of any
such determination that is reasonably likely to affect adversely such
qualification or exemption in any material respect, or result in the imposition
of excise taxes or income taxes on unrelated business income under the Code or
ERISA with respect to any CDnow Employee Plan.

               (e)  Except as set forth in the CDnow Disclosure Schedule,
neither CDnow, any of its Subsidiaries nor any ERISA Affiliate (i) has or at any
time in the past has had a current or contingent obligation to contribute to any
multiemployer plan (as defined in Section 3(37) of ERISA) or (ii) has or at any
time in the past has had any liability, contingent or otherwise, under Title IV
of ERISA or Section 412 of the Code.

               (f)  There are no pending or, to the knowledge of CDnow or any of
its Subsidiaries, threatened claims by or on behalf of any CDnow Employee Plan,
or by or on behalf of any individual participants or beneficiaries of any CDnow
Employee Plan, alleging any breach of fiduciary duty on the part of CDnow or any
of its Subsidiaries or any of the officers, directors or employees of CDnow or
any of its Subsidiaries under ERISA or any other applicable Regulations, or
claiming benefit payments other than those made in the ordinary operation of
such plans, or alleging any violation of any other applicable Laws. To the
knowledge of CDnow or any of its Subsidiaries, the CDnow Employee Plans are not
the subject of any investigation, audit or action by the Internal Revenue
Service, the Department of Labor or the PBGC.

               (g)  With respect to any CDnow Employee Plan that is an employee
welfare benefit plan (within the meaning of Section 3(1) of ERISA) (a "CDnow
Welfare Plan"), (i) each CDnow Welfare Plan for which contributions are claimed
as deductions

                                       30
<PAGE>
 
under any provision of the Code is in compliance in all material respects with
all applicable requirements pertaining to such deduction and (ii) any CDnow
Employee Plan that is a group health plan (within the meaning of Section
4980B(g)(2) of the Code) complies, and in each and every case has complied in
all material respects, with all of the requirements of ERISA and Section 4980B
of the Code. No welfare benefit fund (within the meaning of Section 419(e)(1) of
the Code) or voluntary employees' beneficiary association (within the meaning of
501(c)(9) of the Code) has been established or maintained in connection with a
CDnow Welfare Plan.

               (h)  Except as disclosed in the CDnow Disclosure Schedule or
CDnow SEC Reports filed prior to the date of this Agreement, and except as
provided for in this Agreement, the execution of this Agreement and the
performance of the transactions contemplated hereunder will not (either alone or
in combination with the occurrence of any additional or subsequent events)
constitute an event under any CDnow Employee Plan that will or may result in any
payment (whether of severance pay or otherwise), acceleration, forgiveness of
indebtedness, vesting, distribution, increase in benefits or obligation to fund
benefits with respect to any current or former employee, director or consultant
of CDnow or any of its Subsidiaries. No payments or benefits under any CDnow
Employee Plan or other agreement of CDnow would result in an "excess parachute
payment" under Section 280G of the Code that would cause a loss of tax deduction
that would be material.

     Section 4.14.  COMPLIANCE WITH LAWS
                    --------------------
 . CDnow has complied with, is not in violation of, and has not received any
notices of violation with respect to, any federal, state or local statute, law
or regulation with respect to the conduct of its business, or the ownership or
operation of its business, except for failures to comply or violations which,
individually or in the aggregate, have not had and are not reasonably likely to
have a CDnow Material Adverse Effect.

     Section 4.15.  TAX MATTERS.
                    -----------   
               (a)  To the best knowledge of CDnow, after consulting with tax
advisors, neither CDnow nor any of its Affiliates (as defined in Section 5.12)
has taken or agreed to take any action which would prevent the CDnow Merger from
qualifying as a reorganization described in Section 368(a) of the Code and/or,
taken together with the N2K Merger, as a transfer of property to NewCo by
holders of CDnow Common Stock described in Section 351 of the Code. Except as
contemplated by the CDnow Option Agreement, neither CDnow nor any of its
Subsidiaries owns any shares of N2K Common Stock or other securities convertible
into shares of N2K Common Stock (exclusive of any shares owned by CDnow's
employee benefit plans).

               (b)  To the best knowledge of CDnow, the stockholders of CDnow as
a group have no present plan, intention or arrangement to sell or otherwise
dispose of such number of the shares of NewCo Common Stock received in the CDnow
Merger as would reduce their ownership in NewCo Common Stock to a number of
shares having a value,

                                       31
<PAGE>
 
as of the date of the CDnow Merger, of less than eighty percent (80%) of the
value of all the formerly outstanding stock of CDnow as of the same date.

     Section 4.16.  REGISTRATION STATEMENT; JOINT PROXY STATEMENT/PROSPECTUS.
                    --------------------------------------------------------
The information to be supplied by CDnow for inclusion or incorporation by
reference in the Registration Statement shall not at the time the Registration
Statement is declared effective by the SEC contain any untrue statement of a
material fact or omit to state any material fact required to be stated in the
Registration Statement or necessary in order to make the statements in the
Registration Statement, in light of the circumstances under which they were
made, not misleading. The information to be supplied by CDnow for inclusion or
incorporation by reference in the Joint Proxy Statement/Prospectus shall not, on
the date the Joint Proxy Statement/Prospectus is first mailed to stockholders of
CDnow or N2K, at the time of the CDnow Stockholders' Meeting and the N2K
Stockholder's Meeting and at the Effective Time, contain any statement which, at
such time and in light of the circumstances under which it shall be made, is
false or misleading with respect to any material fact, omit to state any
material fact necessary in order to make the statements made in the Joint Proxy
Statement/Prospectus not false or misleading, or omit to state any material fact
necessary to correct any statement in any earlier communication with respect to
the solicitation of proxies for the CDnow Stockholders' Meeting or the N2K
Stockholders' Meeting which has become false or misleading.

     Section 4.17.  LABOR MATTERS.
                    -------------
Except as disclosed in the CDnow SEC Reports filed prior to the date hereof,
neither CDnow nor any of its Subsidiaries is a party to or otherwise bound by
any collective bargaining agreement, contract or other agreement or
understanding with a labor union or labor organization, nor, as of the date
hereof, is CDnow or any of its Subsidiaries the subject of any material
proceeding asserting that CDnow or any of its Subsidiaries has committed an
unfair labor practice or is seeking to compel it to bargain with any labor union
or labor organization nor, as of the date of this Agreement, is there pending
or, to the knowledge of the executive officers of CDnow, threatened, any
material labor strike, dispute, walkout, work stoppage, slow-down or lockout
involving CDnow or any of its Subsidiaries.

     Section 4.18.  INSURANCE. 
                    --------- 
All material fire and casualty, general liability, business interruption,
product liability, and sprinkler and water damage insurance policies maintained
by CDnow or any of its Subsidiaries are with reputable insurance carriers,
provide full and adequate coverage for all normal risks incident to the business
of CDnow and its Subsidiaries and their respective properties and assets, and
are in character and amount at least equivalent to that carried by persons
engaged in similar businesses and subject to the same or similar perils or
hazards, except for any such failures to maintain insurance policies that,
individually or in the aggregate, are not reasonably likely to have a CDnow
Material Adverse Effect. CDnow has maintained such policies on a continuous
basis since January 1996.

                                       32
<PAGE>
 
     Section 4.19.  OPINION OF FINANCIAL ADVISOR.
                    ----------------------------
The financial advisor of CDnow, BT Alex. Brown Incorporated, has delivered to
CDnow an opinion dated the date of this Agreement to the effect that the CDnow
Exchange Ratio is fair to holders of CDnow Common Stock from a financial point
of view.

     Section 4.20.  NO EXISTING DISCUSSIONS.
                    -----------------------
As of the date hereof, CDnow is not engaged, directly or indirectly, in any
discussions or negotiations with any other party with respect to an Acquisition
Proposal.

     Section 4.21.  SECTION 1715 OF THE PBCL NOT APPLICABLE.
                    ---------------------------------------
Other than with respect to the "shareholder constituency" provision of Section
1715 of the PBCL, the restrictions contained in Section 1715 of the PBCL
applicable to acquisitions or proposed acquisitions of corporate control will
not apply to the authorization, execution, delivery or performance of this
Agreement or the Stock Option Agreements by CDnow or the consummation of the
CDnow Merger by CDnow. No other "fair price," "moratorium," "control share
acquisition" or other similar anti-takeover statute or regulation is applicable
to CDnow or (by reason of CDnow's participation therein) the CDnow Merger or the
other transactions contemplated by this Agreement.


                                   ARTICLE V.    

                                   COVENANTS

     Section 5.1.  CONDUCT OF BUSINESS.
                   -------------------
During the period from the date of this Agreement and continuing until the
earlier of the termination of this Agreement or the Effective Time, except as
permitted pursuant to Section 5.30 hereof, N2K and CDnow each agrees as to
itself and its respective Subsidiaries (except to the extent that the other
party shall otherwise consent in writing) to carry on its business in the usual,
regular and ordinary course in substantially the same manner as previously
conducted, to pay its debts and taxes when due subject to good faith disputes
over such debts or taxes, to pay or perform its other obligations when due, and,
to the extent consistent with such business, use all commercially reasonable
efforts consistent with past practices and policies to preserve intact its
present business organization, keep available the services of its present
officers and key employees and preserve its relationships with customers,
suppliers, distributors, and others having business dealings with it. Without
limiting the foregoing, except as expressly contemplated by this Agreement or
the Stock Option Agreements or as set forth in Section 5.1 of the Disclosure
Schedule, during the period from the date of this Agreement and continuing until
the earlier of the termination of this Agreement or the Effective Time, N2K and
CDnow each shall not (and shall not permit any of its respective Subsidiaries
to), without the written consent of the other party:

                                       33
<PAGE>
 
          (a)  Accelerate, amend or change the period of exercisability of
options or restricted stock granted under any employee stock plan of such party
or authorize cash payments in exchange for any options granted under any of such
plans except as required by the terms of such plans or any related agreements
(including severance agreements) in effect as of the date of this Agreement;

          (b)  Declare or pay any dividends on or make any other distributions
(whether in cash, stock or property) in respect of any of its capital stock, or
split, combine or reclassify any of its capital stock or issue or authorize the
issuance of any other securities in respect of, in lieu of or in substitution
for shares of its capital stock, or purchase or otherwise acquire, directly or
indirectly, any shares of its capital stock except from former employees,
directors and consultants in accordance with agreements providing for the
repurchase of shares in connection with any termination of service to such
party;

          (c)  Issue, deliver or sell, or authorize or propose the issuance,
delivery or sale of, any shares of its capital stock or securities convertible
into shares of its capital stock, or subscriptions, rights, warrants or options
to acquire, or other agreements or commitments of any character obligating it to
issue any such shares or other convertible securities, other than (i) the grant
of options consistent with past practices to employees (other than senior
officers) or directors, which options represent in the aggregate the right to
acquire no more than 100,000 shares (net of cancellations) of N2K Common Stock
or 100,000 shares (net of cancellation) CDnow Common Stock, as the case may be
and (ii) the issuance of shares of N2K Common Stock or CDnow Common Stock, as
the case may be, pursuant to the exercise of options or warrants outstanding on
the date of this Agreement or granted pursuant to (i) above; provided, however,
that in the event N2K and CDnow shall agree to treat the Mergers as a pooling of
interests for accounting purposes, neither N2K nor CDnow shall take any action
that would be reasonably likely to jeopardize such accounting treatment;

          (d)  Acquire or agree to acquire by merging or consolidating with, or
by purchasing a substantial equity interest in or substantial portion of the
assets of, or by any other manner, any business or any corporation, partnership
or other business organization or division, or otherwise acquire or agree to
acquire any assets (other than assets acquired in the ordinary course of
business);

          (e)  Sell, lease, sell/leaseback, license or otherwise dispose of any
of its material properties or assets, except in the ordinary course of business;

          (f)  (i) Increase or agree to increase the compensation payable or to
become payable to its officers or employees, except for increases in salary or
wages of employees (other than officers) in accordance with past practices, (ii)
grant any additional severance or termination pay to, or enter into or amend any
employment or severance agreements with, any employees or officers, (iii)
establish, adopt, enter into or amend any bonus, profit sharing, thrift,
compensation, stock option, restricted stock, pension,

                                       34
<PAGE>
 
retirement, deferred compensation, employment, termination, severance or other
plan, trust, fund, policy or arrangement for the benefit of any directors,
officers or employees;

          (g)  Amend or propose to amend its Certificate or Articles of
Incorporation or Bylaws except as contemplated by this Agreement;

          (h)  Incur any indebtedness for borrowed money;

          (i)  Take any action that would, or is reasonably likely to, result in
a material breach of any provision of this Agreement or the Stock Option
Agreements or in any of its representations or warranties set forth in this
Agreement or Stock Option Agreements being untrue on and as of the Closing Date;

          (j)  Make or rescind any material express or deemed election relating
to Taxes, settle or compromise any material claim, action, suit, litigation,
proceeding, arbitration, investigation, audit or controversy relating to Taxes,
or make any material change to any of its methods of reporting income or
deductions for federal income tax purposes from those employed in the
preparation of its federal income tax return for the taxable year ending
December 31, 1997, except as may be required by applicable law;

          (k)  Settle any litigation relating to the transactions contemplated
hereby other than any settlement which would not (i) have a N2K Material Adverse
Effect (if settled by N2K), a CDnow Material Adverse Effect (if settled by
CDnow) or a material adverse effect on the business, properties, financial
condition or results of operations of NewCo following consummation of the
Mergers (if settled by either N2K or CDnow) or (ii) adversely effect the
consummation of the transactions contemplated hereby;

          (l)  Settle any litigation referred to on Schedule 5.1(l) if such
settlement would obligate the party to pay more than $50,000 over and above the
amount covered by insurance (excluding any deductible on such insurance policy);

          (m)  Enter into any agreement, contract or commitment which involves
an amount in excess of $250,000 individually or as part of a series of related
transactions;

          (n)  Authorize or make capital expenditures which are in excess of
$250,000 individually or as part of a series of related transactions;

          (o)  Change in any material respect its accounting policies, methods
or procedures except as required by generally accepted accounting principles;

          (p)  Take or omit to take any action that is reasonably likely to
result in a breach of any contract, commitment or obligation if the result
would, individually or in the aggregate, have a Material Adverse Effect;

                                       35
<PAGE>
 
          (q)  Take any action which could reasonably be expected to adversely
affect or delay the ability of any of the parties to obtain any approval of any
governmental or regulatory body required to consummate the transactions
contemplated hereby; or

          (r)  Permit its working capital to be less than the amounts set forth
on Schedule 5.1(r).

          (s)  Take, or agree in writing or otherwise to take or have any
affiliate, director, officer, employee, agent, consultant or other third party
take or otherwise agree to take, any of the actions described in Sections (a)
through (r) above.

N2K and CDnow agree that any written approval obtained under this Section 5.1
may be relied upon by the other party if signed by the Chairman or President of
the other party providing such written approval.

     Section 5.2.  COOPERATION; NOTICE; CURE.
                   -------------------------      
Subject to compliance with applicable law, from the date hereof until the
Effective Time, each of N2K and CDnow shall confer on a regular and frequent
basis with one or more representatives of the other party to report on the
general status of ongoing operations and shall promptly provide the other party
or its counsel with copies of all filings made by such party with any
Governmental Entity in connection with this Agreement, the Mergers and the
transactions contemplated hereby and thereby. Each of N2K and CDnow shall
promptly notify the other in writing of, and will use all commercially
reasonable efforts to cure before the Closing Date, any event, transaction or
circumstance, as soon as practical after it becomes known to such party, that
causes or will cause any covenant or agreement of N2K or CDnow under this
Agreement to be breached or that renders or will render untrue any
representation or warranty of N2K or CDnow contained in this Agreement. No
notice given pursuant to this paragraph shall have any effect on the
representations, warranties, covenants or agreements contained in this Agreement
for purposes of determining satisfaction of any condition contained herein. If
at any time prior to the Effective Time any event relating to N2K or any of its
Affiliates, officers or directors should be discovered by N2K which should be
set forth in an amendment to the Registration Statement or a supplement to the
Joint Proxy Statement/Prospectus, N2K shall promptly inform CDnow. If at any
time prior to the Effective Time any event relating to CDnow or any of its
Affiliates, officers or directors should be discovered by CDnow which should be
set forth in an amendment to the Registration Statement or a supplement to the
Joint Proxy Statement/Prospectus, CDnow shall promptly inform N2K.

                                       36
<PAGE>
 
     Section 5.3.  NO SOLICITATION.
                   ---------------

          (a)  From and after the date hereof, neither N2K nor CDnow shall,
directly or indirectly, through any officer, director, employee, financial
advisor, representative or agent of such party (i) solicit, initiate, or
encourage (including by way of furnishing information) or take any other action
to facilitate knowingly any inquiries or proposals that constitute, or could
reasonably be expected to lead to, a proposal or offer for a merger,
consolidation, business combination, sale of substantial assets, sale of shares
of capital stock (including without limitation by way of a tender or exchange
offer) or similar transaction involving such party or any of its Subsidiaries,
other than the transactions contemplated by this Agreement (any of the foregoing
inquiries or proposals being referred to in this Agreement as an "Acquisition
Proposal"), (ii) engage in negotiations or discussions with any person (or group
of persons) other than N2K or CDnow or their respective affiliates (a "Third
Party") concerning, or provide any non-public information to any person or
entity relating to, any Acquisition Proposal, or (iii) agree to or recommend any
Acquisition Proposal; provided, however, that nothing contained in this
Agreement shall prevent N2K or CDnow, or their respective Board of Directors,
from (A) furnishing non-public information to, or entering into discussions or
negotiations with, any person or entity in connection with an unsolicited bona
fide written Acquisition Proposal by such person or entity or modifying or
withdrawing its recommendation with respect to the transactions contemplated
hereby or recommending an unsolicited bona fide written Acquisition Proposal to
the stockholders of such party, if and only to the extent that (1) the Board of
Directors of such party believes in good faith (after consultation with its
financial advisor) that such Acquisition Proposal is reasonably capable of being
completed on the terms proposed and, after taking into account the strategic
benefits anticipated to be derived from the Mergers and the prospects of N2K and
CDnow as a combined company, would, if consummated, result in a transaction more
favorable to the stockholders of such party over the long term than the
transaction contemplated by this Agreement (a "Superior Proposal") and the Board
of Directors of such party determines in good faith after consultation with
outside legal counsel that such action is required for such Board of Directors
to comply with its fiduciary duties to stockholders under applicable law and (2)
prior to furnishing such non-public information to, or entering into discussions
or negotiations with, such person or entity, such Board of Directors receives
from such person or entity an executed confidentiality and standstill agreement
with terms no less favorable to such party than those contained in the
Confidentiality and Standstill Agreement, dated August 17, 1998 between CDnow
and N2K, as amended by Amendment No. 1 dated September 25, 1998 (the
"Confidentiality Agreement"); or (B) complying with Rule 14e-2 promulgated under
the Exchange Act with regard to an Acquisition Proposal. Each of N2K and CDnow
agrees not to release any third party from, or waive any provision of, any
standstill agreement to which it is a party or any confidentiality agreement
between it and another person who has made, or who may reasonably be considered
likely to make, an Acquisition Proposal, unless its Board of Directors
determines in good faith after consultation with outside legal counsel

                                       37
<PAGE>
 
that such action is required for such Board of Directors to comply with its
fiduciary duties to stockholders under applicable law.

          (b)  N2K and CDnow shall each notify the other party within 24 hours
after receipt by N2K or CDnow (or any of their advisors) of any Acquisition
Proposal or any request for nonpublic information in connection with an
Acquisition Proposal or for access to the properties, books or records of such
party by any person or entity that informs such party that it is considering
making, or has made, an Acquisition Proposal. Such notice shall be made orally
and in writing and shall indicate in reasonable detail the identity of the
offeror and the terms and conditions of such proposal, inquiry or contact. Such
party shall continue to keep the other party hereto informed, on a current
basis, of the status of any such discussions or negotiations and the terms being
discussed or negotiated.

     Section 5.4.  JOINT PROXY STATEMENT/PROSPECTUS; REGISTRATION STATEMENT.
                   --------------------------------------------------------

          (a)  As promptly as practical after the execution of this Agreement,
N2K and CDnow shall prepare and file with the SEC the Joint Proxy
Statement/Prospectus and the Registration Statement in which the Joint Proxy
Statement/Prospectus will be included as a prospectus, provided that N2K and
CDnow may delay the filing of the Registration Statement until approval of the
Joint Proxy Statement/Prospectus by the SEC. N2K and CDnow shall use all
reasonable efforts to cause the Registration Statement to become effective as
soon after such filing as practical. The Joint Proxy Statement/Prospectus shall
include the recommendation of the Board of Directors of N2K in favor of adoption
of this Agreement and the N2K Merger and the recommendation of the Board of
Directors of CDnow in favor of adoption of this Agreement and the CDnow Merger;
provided, that the Board of Directors of either party may modify or withdraw
such recommendation if such Board of Directors believes in good faith after
consultation with outside legal counsel that the modification or withdrawal of
such recommendation is required for such Board of Directors to comply with its
fiduciary duties under applicable law.

          (b)  N2K and CDnow shall make all necessary filings with respect to
the Mergers under the Securities Act, the Exchange Act, applicable state blue
sky laws and the rules and regulations thereunder.

     Section 5.5.  NASDAQ QUOTATION.
                   ----------------
Each of N2K and CDnow agrees to continue the quotation and listing of N2K
Common Stock and CDnow Common Stock, respectively, on Nasdaq during the term of
this Agreement and remain in compliance with all applicable rules and
regulations of Nasdaq.

     Section 5.6.  ACCESS TO INFORMATION.
                   ---------------------
Upon reasonable notice, N2K and CDnow shall each (and shall cause each of
their respective Subsidiaries to) afford to the officers, employees,
accountants, counsel and other representatives of the other, access, during
normal business hours during the period

                                       38
<PAGE>
 
prior to the Effective Time, to all its management, properties, books,
contracts, commitments and records and, during such period, each of N2K and
CDnow shall, and shall cause each of their respective Subsidiaries to, furnish
promptly to the other (a) copies of monthly financial reports and development
reports, (b) a copy of each report, schedule, registration statement and other
document filed or received by it during such period pursuant to the requirements
of federal securities laws and (c) all other information concerning its
business, properties and personnel as such other party may reasonably request.
The parties will hold any such information which is nonpublic in confidence in
accordance with the Confidentiality Agreements. No information or knowledge
obtained in any investigation pursuant to this Section 5.6 shall affect or be
deemed to modify any representation or warranty contained in this Agreement or
the conditions to the obligations of the parties to consummate the Mergers.

     Section 5.7.  STOCKHOLDERS' MEETINGS.
                   ---------------------- 
N2K and CDnow each shall call a meeting of its respective stockholders to be
held as promptly as practicable for the purpose of voting, in the case of N2K,
upon this Agreement and the N2K Merger and, in the case of CDnow, upon this
Agreement and the CDnow Merger. Subject to Sections 5.3 and 5.4, N2K and CDnow
shall, through their respective Boards of Directors, recommend to their
respective stockholders adoption of this Agreement and approval of such matters
and shall coordinate and cooperate with respect to the timing of such meetings
and shall use their best efforts to hold such meetings on the same day and as
soon as practicable after the date hereof. Unless otherwise required to comply
with the applicable fiduciary duties of the respective directors of N2K and
CDnow, as determined by such directors in good faith after consultation with
outside legal counsel, each party shall use all reasonable efforts to solicit
from stockholders of such party proxies in favor of such matters.

                                       39
<PAGE>
 
     Section 5.8.  LEGAL CONDITIONS TO MERGE.
                   -------------------------

          (a)  N2K and CDnow shall each use all reasonable efforts to (i) take,
or cause to be taken, all appropriate action, and do, or cause to be done, all
things necessary and proper under applicable law to consummate and make
effective the transactions contemplated hereby as promptly as practicable, (ii)
obtain from any Governmental Entity or any other third party any consents,
licenses, permits, waivers, approvals, authorizations, or orders required to be
obtained or made by N2K or CDnow or any of their Subsidiaries in connection with
the authorization, execution and delivery of this Agreement and the consummation
of the transactions contemplated hereby including, without limitation, the
Mergers, and (iii) as promptly as practicable, make all necessary filings, and
thereafter make any other required submissions, with respect to this Agreement
and the Mergers required under (A) the Securities Act and the Exchange Act, and
any other applicable federal or state securities laws, (B) if applicable, the
HSR Act and any related governmental request thereunder, and (C) any other
applicable law. N2K and CDnow shall cooperate with each other in connection with
the making of all such filings, including providing copies of all such documents
to the non-filing party and its advisors prior to filing and, if requested, to
accept all reasonable additions, deletions or changes suggested in connection
therewith. N2K and CDnow shall use their reasonable efforts to furnish to each
other all information required for any application or other filing to be made
pursuant to the rules and regulations of any applicable law (including all
information required to be included in the Joint Proxy Statement/Prospectus and
the Registration Statement) in connection with the transactions contemplated by
this Agreement.

          (b)  N2K and CDnow agree, and shall cause each of their respective
Subsidiaries, to cooperate and to use their respective reasonable efforts to
obtain any government clearances required for Closing (including through
compliance with the HSR Act and any applicable foreign government reporting
requirements), to respond to any government requests for information, and to
contest and resist any action, including any legislative, administrative or
judicial action, and to have vacated, lifted, reversed or overturned any decree,
judgment, injunction or other order (whether temporary, preliminary or
permanent) (an "Order") that restricts, prevents or prohibits the consummation
of the Mergers or any other transactions contemplated by this Agreement. The
parties hereto will consult and cooperate with one another, and consider in good
faith the views of one another, in connection with any analyses, appearances,
presentations, memoranda, briefs, arguments, opinions and proposals made or
submitted by or on behalf of any party hereto in connection with proceedings
under or relating to the HSR Act or any other federal, state or foreign
antitrust or fair trade law. N2K and CDnow shall cooperate and work together in
any proceedings or negotiations with any Governmental Entity relating to any of
the foregoing. Notwithstanding anything to the contrary in this Section 5.8,
neither N2K nor CDnow, nor any of their respective Subsidiaries, shall be
required to take any action that would reasonably be expected to substantially
impair the overall benefits expected, as of the date hereof, to be realized from
the consummation of the Mergers.

                                       40
<PAGE>
 
               (c)  Each of N2K and CDnow shall give (or shall cause their
respective Subsidiaries to give) any notices to third parties, and use, and
cause their respective Subsidiaries to use, all reasonable efforts to obtain any
third party consents related to or required in connection with the Mergers.

          Section 5.9.   PUBLIC DISCLOSURE. 
                         -----------------

     N2K and CDnow shall agree on the form and content of the initial joint
press release regarding the transactions contemplated hereby and thereafter
shall receive approval from the General Counsel or Vice Chairman (in the case of
N2K) and the General Counsel or Chief Executive Officer (in the case of CDnow)
before issuing, and use all reasonable efforts to agree upon, any press release
or other public statement with respect to any of the transactions contemplated
hereby and shall not issue any such press release or make any such public
statement prior to such consultation, except as may be required by law.

          Section 5.10.  NONRECOGNITION EXCHANGE. 
                         -----------------------

     From and after the date hereof and until the Effective Time, neither N2K
nor CDnow, nor any of their respective Subsidiaries or other Affiliates shall
knowingly take any action, or knowingly fail to take any action, that is
reasonably likely to jeopardize the treatment of either of the Mergers as a
reorganization described in Section 368(a) of the Code and/or, taken together
with the other of the Mergers, as a transfer of property to NewCo by holders of
N2K Common Stock or CDnow Common Stock, as applicable, described in Section 351
of the Code.

          Section 5.11.  POOLING ACCOUNTING. 
                         ------------------
     N2K and CDnow agree to use their reasonable best efforts to account for the
Mergers as a pooling of interests unless N2K and CDnow mutually agree to account
for the Mergers other than as a pooling of interest. The parties hereto agree
that it shall not be a condition to the consummation of the transactions
contemplated by this Agreement that the transactions be accounted for as a
pooling of interests. From and after the date hereof and until the earlier of
the Effective Time or such time as the parties hereto agree to account for the
transaction other than as a pooling of interests, neither N2K nor CDnow, nor any
of their respective Subsidiaries or other Affiliates shall, without the consent
of the other party, knowingly take any action that is reasonably likely to
jeopardize the treatment of the Mergers as a pooling of interests for accounting
purposes, or knowingly fail to take any commercially reasonable action that is
necessary to permit the treatment of the Mergers as a pooling of interest for
accounting purposes.

          Section 5.12.  AFFILIATE AGREEMENTS. 
                         --------------------

     Upon the execution of this Agreement, N2K and CDnow will provide each other
with a list of those persons who are, in N2K's or CDnow's respective reasonable
judgment, "affiliates" of N2K or CDnow, respectively, within the meaning of Rule
145 promulgated under the Securities Act ("Rule 145") (each such person who is
an "affiliate" of N2K or CDnow within the meaning of Rule 145 is referred to as
an "Affiliate"). N2K and CDnow shall provide each other such information and
documents as the other party shall reasonably request for purposes of reviewing
such list and shall notify the other party in

                                       41
<PAGE>
 
writing regarding any change in the identity of its Affiliates prior to the
Closing Date. N2K and CDnow shall each use all reasonable efforts to deliver or
cause to be delivered to each other by November 30, 1998 (and in any case prior
to the Effective Time) from each of its Affiliates, an executed Affiliate
Agreement, in substantially the form of Exhibit G (with respect to affiliates of
N2K) or Exhibit H (with respect to affiliates of CDnow) attached hereto (each,
an "Affiliate Agreement," and together, the "Affiliate Agreements").

          Section 5.13.  NASDAQ LISTING. 
                         --------------

     N2K and CDnow shall cause NewCo to promptly prepare and submit to the
Nasdaq a listing application covering the shares of NewCo Common Stock to be
issued in the Mergers and upon exercise of N2K Stock Options and CDnow Stock
Options, and shall use all reasonable efforts to cause such shares to be
approved for listing on the Nasdaq, prior to the Effective Time, subject to
official notice of issuance.

          Section 5.14.  STOCK PLANS.
                         -----------

               (a)  At the Effective Time, each outstanding option to purchase
shares of N2K Common Stock (an "N2K Stock Option") under the N2K Stock Plans and
each outstanding option to purchase shares of CDnow Common Stock (a "CDnow Stock
Option") under the CDnow Stock Plans, in each case whether vested or unvested,
shall be deemed to constitute an option to acquire, on the same terms and
conditions as were applicable under such N2K Stock Option or CDnow Stock Option,
as the case may be, the same number of shares of NewCo Common Stock as the
holder of such N2K Stock Option or CDnow Stock Option, as the case may be, would
have been entitled to receive pursuant to the N2K Merger or the CDnow Merger,
respectively, had such holder exercised such option in full immediately prior to
the Effective Time (rounded downward to the nearest whole number), at a price
per share (rounded upward to the nearest whole cent) equal to (y) the aggregate
exercise price for the shares of N2K Common Stock or CDnow Common Stock, as the
case may be, purchasable pursuant to such N2K Stock Option or such CDnow Stock
Option immediately prior to the Effective Time divided by (z) the number of full
shares of NewCo Common Stock deemed purchasable pursuant to such N2K Stock
Option or CDnow Stock Option, as the case may be, in accordance with the
foregoing; provided, however, that the foregoing adjustment for any N2K Stock
           --------  -------    
Option or CDnow Stock Option which is intended to qualify as an "incentive stock
option" (as defined under Section 422 of the Code) shall be affected in a manner
consistent with Section 424(a) of the Code.

               (b)   As soon as practicable after the Effective Time, NewCo
shall deliver to the participants in the N2K Stock Plans and the CDnow Stock
Plans appropriate notice setting forth such participants' rights pursuant
thereto and the grants pursuant to N2K Stock Plans or CDnow Stock Plans, as the
case may be, shall continue in effect on the same terms and conditions (subject
to the adjustments required by this Section 5.14 after giving effect to the
Mergers).

                                       42
<PAGE>
 
                    (c)  NewCo shall take all corporate action necessary to
reserve for issuance a sufficient number of shares of NewCo Common Stock for
delivery under N2K Stock Plans and CDnow Stock Plans assumed in accordance with
this Section 5.14. As soon as practicable after the Effective Time, NewCo shall
file a registration statement on Form S-8 (or any successor or other appropriate
forms), or another appropriate form with respect to the shares of NewCo Common
Stock subject to such options and shall use its reasonable efforts to maintain
the effectiveness of such registration statement or registration statements (and
maintain the current status of the prospectus or prospectuses contained therein)
for so long as such options remain outstanding.

                    (d)  The Board of Directors of each of N2K and CDnow shall,
prior to or as of the Effective Time, take all necessary actions, pursuant to
and in accordance with the terms of the N2K Stock Plans and the instruments
evidencing the N2K Stock Options, or the CDnow Stock Plans and the instruments
evidencing the CDnow Stock Options, as the case may be, to provide for the
conversion of the N2K Stock Options and the CDnow Stock Options into options to
acquire NewCo Common Stock in accordance with this Section 5.14 without
obtaining consent of the holders of the N2K Stock Options or CDnow Stock Options
in connection with such conversion.

                    (e)  The Board of Directors of each of N2K and CDnow shall,
prior to or as of the Effective Time, take appropriate action to approve the
deemed cancellation of the N2K Stock Options or CDnow Stock Options, as the case
may be, for purposes of Section 16(b) of the Exchange Act. The Board of
Directors of NewCo shall, prior to or as of the Effective Time, take appropriate
action to approve the deemed grant of options to purchase NewCo Common Stock
under the N2K Stock Options and the CDnow Stock Options (as converted pursuant
to this Section 5.14) for purposes of Section 16(b) of the Exchange Act.

          Section 5.15.  BROKERS OR FINDERS. 
                         ------------------

     Each of N2K and CDnow represents, as to itself, its Subsidiaries and its
Affiliates, that no agent, broker, investment banker, financial advisor or other
firm or person is or will be entitled to any broker's or finder's fee or any
other commission or similar fee in connection with any of the transactions
contemplated by this Agreement except Allen & Company, Incorporated and
PaineWebber Incorporated, each of whose fees and expenses will be paid by N2K in
accordance with N2K's agreements with such firms (a copy of which has been
delivered by N2K to CDnow prior to the date of this Agreement), and BT Alex.
Brown, whose fees and expenses will be paid by CDnow in accordance with CDnow's
agreement with such firm (a copy of which has been delivered by CDnow prior to
the date of this Agreement). Each of CDnow and N2K agrees to indemnify and hold
the other harmless from and against any and all claims, liabilities or
obligations with respect to any such fees, commissions or expenses asserted by
any person on the basis of any act or statement alleged to have been made by
such party or any of its Affiliates.

                                       43
<PAGE>
 
          Section 5.16.  INDEMNIFICATION.
                         ---------------

                    (a)  From and after the Effective Time, NewCo agrees that it
will, and will cause the Surviving Corporations to, indemnify and hold harmless
each present and former director and officer of N2K and CDnow (the "Indemnified
Parties"), against any costs or expenses (including attorneys' fees), judgments,
fines, losses, claims, damages, liabilities or amounts paid in settlement
incurred in connection with any claim, action, suit, proceeding or
investigation, whether civil, criminal, administrative or investigative, arising
out of or pertaining to matters existing or occurring at or prior to the
Effective Time, whether asserted or claimed prior to, at or after the Effective
Time, to the fullest extent that N2K or CDnow, as the case may be, would have
been permitted under Delaware or Pennsylvania law and its certificate or
articles of incorporation or bylaws in effect on the date hereof to indemnify
such Indemnified Party (and NewCo and the Surviving Corporation shall also
advance expenses as incurred to the fullest extent permitted under applicable
law, provided the Indemnified Party to whom expenses are advanced provides an
undertaking to repay such advances if it is ultimately determined that such
Indemnified Party is not entitled to indemnification).

                    (b)  For a period of six years after the Effective Time,
NewCo shall maintain or shall cause the Surviving Corporations to maintain (to
the extent available in the market) in effect a directors' and officers'
liability insurance policy covering those persons who are currently covered by
N2K's or CDnow's directors' and officers' liability insurance policy (copies of
which have been heretofore delivered by N2K and CDnow to each other) with
coverage in amount and scope at least as favorable as N2K's or CDnow's existing
coverage; provided, that, in no event shall NewCo or the Surviving Corporations
be required to expend in the aggregate in excess of 200% of the annual premium
currently paid by N2K and CDnow for such coverage; and if such premium would at
any time exceed 200% of the such amount, then the NewCo or the Surviving
Corporations shall maintain insurance policies which provide the maximum and
best coverage available at an annual premium equal to 200% of such amount.

                    (c)  The provisions of this Section 5.16 are intended to be
an addition to the rights otherwise available to the current officers and
directors of N2K and CDnow by law, charter, statute, bylaw or agreement, and
shall operate for the benefit of, and shall be enforceable by, each of the
Indemnified Parties, their heirs and their representatives.

          Section 5.17.  LETTER OF CDNOW'S ACCOUNTANTS. 
                         -----------------------------

     CDnow shall use all reasonable efforts to cause to be delivered to N2K and
CDnow a letter of Arthur Andersen LLP, CDnow's independent auditors, dated a
date within two business days before the date on which the Registration
Statement shall become effective and addressed to N2K, in form reasonably
satisfactory to N2K and customary in scope and substance for letters delivered
by independent public accountants in connection with registration statements
similar to the Registration Statement.

          Section 5.18.  LETTER OF N2K'S ACCOUNTANTS. 
                         ---------------------------

                                       44
<PAGE>
 
     N2K shall use all reasonable efforts to cause to be delivered to CDnow and
N2K a letter of Arthur Andersen LLP, N2K's independent auditors, dated a date
within two business days before the date on which the Registration Statement
shall become effective and addressed to CDnow, in form reasonably satisfactory
to CDnow and customary in scope and substance for letters delivered by
independent public accountants in connection with registration statements
similar to the Registration Statement.

          Section 5.19.  STOCK OPTION AGREEMENTS. 
                         -----------------------

     CDnow and N2K each agree to fully perform their respective obligations
under the Stock Option Agreements.

          Section 5.20.  TRANSITION PLANNING. 
                         -------------------

     N2K and CDnow agree that they shall work together to coordinate all aspects
of transition planning and implementation relating to the Mergers and the other
transactions contemplated hereby. During the period between the date hereof and
the Effective Time, N2K and CDnow shall jointly examine various alternatives
regarding the manner in which to best organize and manage the businesses of N2K
and CDnow after the Effective Time. The members of the joint transition planning
team are identified on Schedule 5.20 (the "Transition Planning Committee").

                                       45
<PAGE>
 
          Section 5.21.  POST-MERGER CORPORATE GOVERNANCE; EMPLOYMENT
                         --------------------------------------------
                         ARRANGEMENTS.
                         ------------

                    (a)  At the Effective Time, the total number of persons
serving on the Board of Directors of NewCo shall be nine (unless otherwise
agreed in writing by N2K and CDnow prior to the Effective Time), four of whom
shall be CDnow Directors, three of whom shall be N2K Directors and two of whom
shall be Independent Directors (as such terms are defined below). The persons to
serve initially on the Board of Directors of NewCo at the Effective Time who are
N2K Directors and the persons to serve initially on the Board of Directors of
NewCo at the Effective Time who are CDnow Directors shall be the persons
identified on Schedule 5.21(a). The persons to serve initially on the Board of
Directors of NewCo at the Effective Time who are Independent Directors shall be
selected by the Board of Directors of both CDnow and N2K and shall be mutually
acceptable to both CDnow and N2K. In the event that, prior to the Effective
Time, any person so selected to serve on the Board of Directors of NewCo after
the Effective Time is unable or unwilling to serve in such position, the Board
or Boards of Directors which selected such person shall designate another person
to serve in such person's stead in accordance with the provisions of the
immediately preceding sentence. From and after the Effective Time and until
December 31, 2001, (a) the Board of Directors of NewCo shall consist of four
CDnow Directors, three N2K Directors and two Independent Directors and (b) the
size of the Board of Directors of NewCo and each Committee of the Board of
Directors of NewCo shall not be increased unless such increase is approved by
80% of the members thereof. If, at any time during the period referenced in the
second preceding sentence, the number of CDnow Directors and N2K Directors
serving, or that would be serving following the next stockholders' meeting at
which Directors are to be elected, as Directors of NewCo, would fall below four
and three, respectively, then, subject to the fiduciary duties of the Directors
of NewCo, the Board of Directors and the Nominating Committee thereof shall
nominate for election at the next stockholders' meeting at which Directors are
to be elected, such person or persons as may be requested by the remaining CDnow
Directors (if the number of CDnow Directors is, or would otherwise become, less
than four) or by the remaining N2K Directors (if the number of N2K Directors is,
or would otherwise become, less than three) to ensure that there shall be four
CDnow Directors and three N2K Directors. The provisions of the preceding
sentence shall not apply in respect of any stockholders' meeting which takes
place after December 31, 2001. The term "N2K Director" means (i) any person
serving as a Director of N2K or any of its Subsidiaries on the date hereof who
becomes a Director of NewCo at the Effective Time and (ii) any person who
becomes a Director of NewCo pursuant to the second preceding sentence and who is
designated by the N2K Directors; the term "CDnow Director" means (i) any person
serving as a Director of CDnow or any of its Subsidiaries on the date hereof who
becomes a Director of NewCo at the Effective Time and (ii) any person who
becomes a Director of NewCo pursuant to the second preceding sentence and who is
designated by the CDnow Directors; and the term "Independent Director" means a
person who becomes a Director of NewCo who does not have on the date hereof or
on the date such person is elected to become a Director, and who has not had
within the three year period prior to the date of his election, any material

                                       46
<PAGE>
 
employment, business affiliation or association, or immediate family
relationship with either CDnow or N2K, any of their directors or officers, any
Subsidiaries or predecessors of CDnow or N2K, or any other person or entity
controlling, controlled by or under common control with either N2K or CDnow.

                    (b)  At the Effective Time, pursuant to the terms of the
employment contracts referred to in Section 5.21(c) hereof, (i) Jason Olim shall
hold the position of President and Chief Executive Officer of NewCo and (ii) Jon
Diamond shall hold the position of Chairman of NewCo. If any of the persons
identified above in this Section 5.21(b) is unable or unwilling to hold such
offices as set forth above, his successor shall be selected by the Board of
Directors of NewCo in accordance with the Bylaws of NewCo. The authority, duties
and responsibilities of the Chairman and the President and Chief Executive
Officer shall be as set forth in Bylaws of NewCo and the employment contracts
entered into pursuant to Section 5.21(c) hereof, which employment contracts
shall also set forth in their entirety the rights and remedies of Messrs. Olim
and Diamond with respect to employment by NewCo, and none of them shall have any
right, remedy or cause of action under this Section 5.21, nor shall they be
third party beneficiaries of this Section 5.21.

                    (c)  Prior to the Closing, NewCo shall offer to enter into
employment agreements with Jason Olim and Jon Diamond in the forms attached
hereto as Exhibits I and J.

                    (d)  From and after the Effective Time, until successors are
duly elected or appointed and qualified in accordance with applicable law, the
officers of NewCo shall be as designated in accordance with Schedule 5.21(d). If
any officer set forth or designated in accordance with Schedule 5.21(d) ceases
to be a full-time employee of either N2K or CDnow at or before the Effective
Time, then the parties will agree upon another person to serve in such person's
stead.

                    (e)  From and after the Effective Time, until successors are
duly elected or appointed and qualified in accordance with applicable law, the
members of the Executive, Audit, Compensation and Nominating committees of the
Board of Directors of NewCo shall be as designated in accordance with Schedule
5.21(e), subject to such persons being members of the Board of Directors of
NewCo at the Effective Time.

                    (f)  Each of N2K and CDnow shall cause NewCo to incorporate
the provisions contained in Section 5.21(a), (b), (e) and (f) into the Bylaws of
NewCo in effect at the Effective Time, which provisions shall thereafter be
amended only with the approval of 80% of the members of the Board of Directors
of NewCo.

          Section 5.22.  NAME OF NEWCO. 
                         -------------

     At the Effective Time, NewCo shall change its corporate name to CDnow/N2K,
Inc.

          Section 5.23.  WARRANTS; REGISTRATION RIGHTS AGREEMENT. 
                         ---------------------------------------

                                       47
<PAGE>
 
               (a)  At the Effective Time, NewCo shall assume all obligations
under the warrants set forth in Section 3.2(b) to the N2K Disclosure Schedule
and Section 4.2 (b) to the CDnow Disclosure Schedule (the "Warrants"), and the
holders of the Warrants thereafter shall have the right to acquire, on the same
pricing and payment terms and conditions as are currently applicable under the
Warrants, the same number of shares of NewCo Common Stock as the holder(s) of
the Warrants would have been entitled to receive pursuant to the N2K Merger or
the CDnow Merger, as the case may be, had each such holder exercised such
holder's Warrant in full immediately prior to the Effective Time (rounded
downward to the nearest whole number), at the price per share (rounded downward
to the nearest whole cent) equal to (i) the aggregate exercise price for the
shares of N2K Common Stock or CDnow Common Stock, as the case may be,
purchasable pursuant to such Warrant immediately prior to the Effective Time
divided by (ii) the number of full shares of NewCo Common Stock deemed
purchasable pursuant to such Warrant in accordance with the foregoing.

               (b)  At the Effective Time, N2K and CDnow shall cause NewCo to
offer to enter into registration rights agreements (the "NewCo Registration
Rights Agreements") with the various parties listed on Section 5.23(b) of the
N2K Disclosure Schedule or, in lieu thereof, with any parties who are entitled
to benefit from the registration rights created in such agreements as a result
of transfers from the initial or listed holders. The various NewCo Registration
Rights Agreements to be entered into with such parties shall be substantially
similar (to the extent practicable) in effect to those provisions of the
agreements which are identified on Section 5.23(b) of the N2K Disclosure
Schedule and which relate to registration rights affecting the N2K Common Stock
of such parties. Pursuant to the NewCo Registration Rights Agreements, NewCo
will provide registration rights to the shareholders who are parties to such
agreements with respect to all shares of NewCo issued in the N2K Merger on
account of the shares of N2K Common Stock covered by registration rights
immediately prior to the N2K Merger.

               (c)  At the Effective Time, CDnow and N2K shall cause NewCo to
enter into a Registration Rights Agreement (the "NewCo Registration Rights
Agreement") substantially similar (to the extent practicable) to the Investor
Rights Agreement dated as of July 15, 1997 by and among CDnow and certain CDnow
shareholders who are parties thereto (the " CDnow Registration Rights
Agreement") pursuant to which NewCo will provide registration rights to parties
to the CDnow Registration Rights Agreement (other than CDnow) with respect to
all shares of NewCo issued in the CDnow Merger on account of the shares of CDnow
Common Stock covered by the CDnow Registration Rights Agreement.

          Section 5.24.  CONVEYANCE TAXES. 
                         ----------------

     N2K and CDnow shall cooperate in the preparation, execution and filing of
all returns, questionnaires, applications or other documents regarding any real
property transfer or gains, sales, use, transfer, value added, stock transfer
and stamp taxes, any transfer, recording, registration and other fees or any
similar taxes which become payable in

                                       48
<PAGE>
 
connection with the transactions contemplated by this Agreement that are
required or permitted to be filed on or before the Effective Time.

          Section 5.25.  TRANSFER TAXES. 
                         --------------

     NewCo shall pay any New York State Real Estate Transfer Tax, New York City
Real Property Transfer Tax, New York State Stock Transfer Tax and any similar
taxes imposed on the stockholders of N2K and CDnow, respectively, by any other
State of the United States (and any interest with respect to such taxes) (the
"Transfer Taxes"), which become payable in connection with the transactions
contemplated by this Agreement. N2K and CDnow shall cooperate in the
preparation, execution and filing of any required returns with respect to such
Transfer Taxes (including returns on behalf of the stockholders of N2K and
CDnow) and in the determination of the portion of the consideration allocable to
the real property of N2K and the N2K Subsidiaries and CDnow and the CDnow
Subsidiaries in New York State and City (or in any other jurisdiction, if
applicable).

          Section 5.26.  STOCKHOLDER LITIGATION. 
                         ----------------------

     Each of N2K and CDnow shall give the other the reasonable opportunity to
participate in the defense of any stockholder litigation against N2K or CDnow,
as applicable, and its directors relating to the transactions contemplated
hereby.

          Section 5.27.  EMPLOYEE BENEFITS; SEVERANCE.
                         ----------------------------

               (a)  NewCo shall cause to continue to be maintained the N2K and
CDnow annual bonus plans for management employees for the 1998 fiscal year and
shall calculate the amounts payable to participants thereunder on a basis
consistent with the terms of each such plan and the past practice of N2K or
CDnow, as applicable.

               (b)  For purposes of determining eligibility to participate,
vesting, entitlement to benefits and in all other respects where length of
service is relevant (except for pension benefit accruals) under any employee
benefit plan or arrangement covering employees of N2K and its Subsidiaries ("N2K
Employees") or employees of CDnow and its Subsidiaries ("CDnow Employees")
following the Effective Time, NewCo shall cause such plans or arrangements to
recognize service with N2K or CDnow (as applicable) and any of their respective
Subsidiaries to the same extent such service was recognized under the applicable
employee benefit plans immediately prior to the Effective Time.

               (c)  At the Effective Time, NewCo shall assume and honor in
accordance with their terms the employment agreements, severance agreements and
severance pay policies identified in Sections 5.1 or 5.27 of the N2K Disclosure
Schedule and Sections 5.1 or 5.27 of the CDnow Disclosure Schedule.

          Section 5.28.  SUBSEQUENT FINANCIAL STATEMENTS.  
                         -------------------------------

     Prior to the Effective Time, each of N2K and CDnow (a) will consult with
the other prior to making publicly available its financial results for any
period and (b) will consult

                                       49
<PAGE>
 
with the other prior to the filing of, and will timely file with the SEC, each
Annual Report on Form 10-K, Quarterly Report on Form 10-Q and Current Report on
Form 8-K required to be filed by such Party under the Exchange Act and will
promptly deliver to the other copies of each such report filed with the SEC. As
of their respective dates, none of such reports shall contain any untrue
statement of a material fact or omit to state a material fact required to be
stated therein or necessary to make the statements therein, in light of the
circumstances under which they were made, not misleading. The respective audited
financial statements and unaudited interim financial statements of each of N2K
and CDnow, as the case may be, included in such reports will fairly present the
financial position of such party and its subsidiaries as at the dates thereof
and the results of their operations and cash flows for the periods then ended in
accordance with generally accepted accounting principles applied on a consistent
basis and, subject, in the case of unaudited interim financial statements, to
normal year-end adjustments and any other adjustments described therein.

          Section 5.29.  CONTROL OF OPERATIONS. 
                         ---------------------

     Nothing contained in this Agreement shall give N2K, directly or indirectly,
the right to control or direct CDnow's operations prior to the Effective Time.
Nothing contained in this Agreement shall give CDnow, directly or indirectly,
the right to control or direct N2K's operations prior to the Effective Time.
Prior to the Effective Time, each of N2K and CDnow shall exercise, consistent
with the terms and conditions of this Agreement, complete control and
supervision over its respective operations.

          Section 5.30.  CERTAIN MODIFICATIONS; RESTRUCTURING CHARGES.
                         --------------------------------------------

     N2K and CDnow shall consult with respect to business practices and policies
and shall make such modifications or changes to its practices or policies, if
any, and at such date prior to the Effective Time, as may be mutually agreed
upon and approved by the Transition Planning Committee. N2K and CDnow shall also
consult with respect to the character, amount and timing of restructuring
charges to be taken by each of them in connection with the transactions
contemplated hereby and shall take such charges in accordance with generally
accepted accounting principles, as may be mutually agreed upon and approved by
the Transition Planning Committee. No party's representations, warranties and
covenants contained in this Agreement shall be deemed to be untrue or breached
in any respect for any purpose as a consequence of any modifications or changes
to such policies or practices which may be undertaken in accordance with this
Section 5.30.


                                ARTICLE VI.    

                             CONDITIONS TO MERGERS

          Section 6.1.   CONDITIONS TO EACH PARTY'S OBLIGATION TO EFFECT THE
                         ---------------------------------------------------
                         MERGERS.
                         -------

                                       50
<PAGE>
 
     The respective obligations of each party to this Agreement to effect the
Mergers shall be subject to the satisfaction or waiver by each party prior to
the Effective Time of the following conditions:

               (a)  STOCKHOLDER APPROVAL. This Agreement, the N2K Merger and the
                    --------------------
CDnow Merger shall have been approved in the manner required under the DGCL and
the PBCL, by the respective holders of the issued and outstanding shares of
capital stock of N2K and CDnow.

               (b)  HSR ACT. Any applicable waiting period applicable to the
                    -------  
consummation of the Mergers under the HSR Act shall have expired or been
terminated.

               (c)  APPROVALS. Other than the filing provided for by Section
                    ---------  
1.4, all authorizations, consents, orders or approvals of, or declarations or
filings with, or expirations of waiting periods imposed by, any Governmental
Entity the failure of which to file, obtain or occur is reasonably likely to
have a N2K Material Adverse Effect or a CDnow Material Adverse Effect shall have
been filed, been obtained or occurred.

               (d)  REGISTRATION STATEMENT. The Registration Statement shall
                    ----------------------
have become effective under the Securities Act and shall not be the subject of
any stop order or proceedings seeking a stop order.

               (e)  NO INJUNCTIONS. No Governmental Entity shall have enacted,
                    --------------
issued, promulgated, enforced or entered any order, executive order, stay,
decree, judgment or injunction or statute, rule, regulation which is in effect
and which has the effect of making the Mergers illegal or otherwise prohibiting
consummation of the Mergers.

               (f)  NASDAQ LISTING. The shares of NewCo Common Stock to be
                    --------------
issued in the Merger and upon exercise of N2K Options and CDnow Options shall
have been approved for listing on the Nasdaq, subject to official notice of
issuance.

               (g)  CORPORATE GOVERNANCE. N2K and CDnow shall have taken all
                    --------------------
actions necessary so that (i) not later than the Effective Time, the Articles of
Incorporation and Bylaws of NewCo shall have been amended to be substantially in
the form of Exhibit E and Exhibit F hereto; and (ii) at the Effective Time, the
composition of the Board of Directors of NewCo and of each Committee of the
Board of Directors of NewCo shall comply with Section 5.21 hereof (assuming N2K
has designated the N2K Directors, CDnow has designated the CDnow Directors, and
N2K and CDnow together have designated the Independent Directors, in each case
as contemplated by Section 5.21(a) hereof).

          Section 6.2.   ADDITIONAL CONDITIONS TO OBLIGATIONS OF N2K. 
                         -------------------------------------------

                                       51
<PAGE>
 
  The obligation of N2K to effect the N2K Merger is subject to the satisfaction
of each of the following conditions prior to the Effective Time, any of which
may be waived in writing exclusively by N2K:

          (a)  REPRESENTATIONS AND WARRANTIES. The representations and
               ------------------------------
warranties of CDnow set forth in this Agreement shall be true and correct as of
the date of this Agreement and (except to the extent such representations and
warranties speak as of an earlier date) as of the Closing Date as though made on
and as of the Closing Date, except for, (i) changes contemplated by this
Agreement and (ii) inaccuracies which, individually or in the aggregate, have
not had and are not reasonably likely to have a CDnow Material Adverse Effect,
as such term is defined in Section 6.2(d), or a material adverse effect upon the
consummation of the transactions contemplated hereby; and N2K shall have
received a certificate signed on behalf of CDnow by the chief executive officer
and the chief financial officer of CDnow to such effect.

          (b)  PERFORMANCE OF OBLIGATIONS OF CDNOW. CDnow shall have performed
               -----------------------------------
in all materials respects (and with respect to Section 5.1(r) in all respects)
all obligations required to be performed by it under this Agreement at or prior
to the Closing Date shall have received a certificate signed on behalf of CDnow
by the chief executive officer and the chief financial officer of CDnow to such
effect.

          (c)  TAX OPINION. N2K shall have received the opinion of Dewey
               -----------
Ballantine LLP, counsel to N2K, based upon reasonably requested representation
letters and dated the Closing Date, to the effect that the N2K Merger will be
treated as a reorganization described in Section 368(a) of the Code and/or,
taken together with the CDnow Merger, as a transfer of property to NewCo by
holders of N2K Common Stock described in Section 351 of the Code.

          (d)  CDNOW MATERIAL ADVERSE EFFECT. From the date of this Agreement
               -----------------------------     
through the Effective Time there shall not have occurred a CDnow Material
Adverse Effect. For the purposes of this Section 6.2(d), a CDnow Material
Adverse Effect shall not include the effect of any changes (i) resulting from
general conditions applicable to the online music retailing industry and not
specifically relating to CDnow, or from general business or United States
economic conditions which do not have a disproportionate effect on CDnow, or
(ii) caused by (a) the transactions contemplated by this Agreement and the
public announcement thereof, (b) any steps taken or proposed to be taken in
connection with Section 5.30 or (c) any actions taken or omissions by CDnow with
the prior written consent of N2K in contemplation of the transactions
contemplated hereby.

     Section 6.3.  ADDITIONAL CONDITIONS TO OBLIGATIONS OF CDNOW. The
                   ---------------------------------------------
obligations of CDnow to effect the CDnow Merger are subject to the satisfaction
of each of the following conditions prior to the Effective Time, any of which
may be waived in writing exclusively by CDnow:

                                       52
<PAGE>
 
          (a)  REPRESENTATIONS AND WARRANTIES. The representations and
               ------------------------------
warranties of N2K set forth in this Agreement shall be true and correct as of
the date of this Agreement and (except to the extent such representations and
warranties speak as of an earlier date) as of the Closing Date as though made on
and as of the Closing Date, except for, (i) changes contemplated by this
Agreement and (ii) inaccuracies which, individually or in the aggregate, have
not had and are not reasonably likely to have a N2K Material Adverse Effect, as
such term is defined in Section 6.3(d), or a material adverse effect upon the
consummation of the transactions contemplated hereby; and CDnow shall have
received a certificate signed on behalf of N2K by the chief executive officer
and the chief financial officer of N2K to such effect.

          (b)  PERFORMANCE OF OBLIGATIONS OF N2K. N2K shall have performed in
               ---------------------------------
all material respects (and with respect to Section 5.1(r) in all respects) all
obligations required to be performed by it under this Agreement at or prior to
the Closing Date; and CDnow shall have received a certificate signed on behalf
of N2K by the chief executive officer and the chief financial officer of N2K to
such effect.

          (c)  TAX OPINION. CDnow shall have received the opinion of Morgan,
               -----------
Lewis & Bockius LLP, counsel to CDnow, based upon reasonably requested
representation letters and dated the Closing Date, to the effect that the CDnow
Merger will be treated as a reorganization described in Section 368(a) of the
Code and/or, taken together with the N2K Merger, as a transfer of property to
NewCo by holders of CDnow Common Stock described in Section 351 of the Code.

          (d)  N2K MATERIAL ADVERSE EFFECT. From the date of this Agreement
               ---------------------------
through the Effective Time there shall not have occurred an N2K Material Adverse
Effect. For the purposes of this Section 6.3(d), a N2K Material Adverse Effect
shall not include the effect of any changes resulting from (i) general
conditions applicable to the online music retailing industry and not
specifically relating to N2K, or from general business or United States economic
conditions which do not have a disproportionate effect on N2K, or (ii) (a) the
transactions contemplated by this Agreement and the public announcement thereof,
(b) any steps taken or proposed to be taken in connection with Section 5.30 or
(c) any actions taken or omissions by N2K with the prior written consent of
CDnow in contemplation of the transactions contemplated hereby.


                               ARTICLE VII.    

                           TERMINATION AND AMENDMENT

     Section 7.1.  TERMINATION. This Agreement may be terminated at any time
                   -----------
prior to the Effective Time (with respect to Sections 7.1(b) through 7.1(h), by
written notice by the terminating party to the other party), whether before or
after approval of the matters presented in connection with the Mergers by the
stockholders of N2K or CDnow:

                                       53
<PAGE>
 
          (a)  by mutual written consent of N2K and CDnow; or

          (b)  by either N2K or CDnow if the Mergers shall not have been
consummated by March 31, 1999 (the "Outside Date") (provided that the right to
terminate this Agreement under this Section 7.1(b) shall not be available to any
party whose failure to fulfill any obligation under this Agreement has been the
cause of or resulted in the failure of the Mergers to occur on or before such
date); or

          (c)  by either N2K or CDnow if a court of competent jurisdiction or
other Governmental Entity shall have issued a nonappealable final order, decree
or ruling or taken any other nonappealable final action, in each case having the
effect of permanently restraining, enjoining or otherwise prohibiting the
Mergers; or

          (d)  (i) by N2K or CDnow, if, at the CDnow Stockholders' Meeting
(including any adjournment or postponement), the requisite vote of the
stockholders of CDnow in favor of the approval and adoption of this Agreement
and the CDnow Merger shall not have been obtained; or (ii) by CDnow or N2K if,
at the N2K Stockholders' Meeting (including any adjournment or postponement),
the requisite vote of the stockholders of N2K in favor of the approval and
adoption of this Agreement and the N2K Merger shall not have been obtained; or

          (e)  by N2K, if (i) the Board of Directors of CDnow shall have
withdrawn or modified its recommendation of this Agreement or the CDnow Merger
(provided that N2K's right to terminate this Agreement under such clause (i)
shall not be available if at such time CDnow would be entitled to terminate this
Agreement under Section 7.1(h) without giving effect to the cure period); (ii)
after the receipt by CDnow of an Acquisition Proposal, N2K requests in writing
that the Board of Directors of CDnow reconfirm its recommendation of this
Agreement and the CDnow Merger to the stockholders of CDnow and the Board of
Directors of CDnow fails to do so within 10 business days after its receipt of
N2K's request; (iii) the Board of Directors of CDnow shall have recommended to
the stockholders of CDnow an Alternative Transaction (as defined in Section
7.3(e)); (iv) a tender offer or exchange offer for 20% or more of the
outstanding shares of CDnow Common Stock is commenced (other than by N2K or an
Affiliate of N2K) and the Board of Directors of CDnow recommends that the
stockholders of CDnow tender their shares in such tender or exchange offer; or
(v) for any reason CDnow fails to call and hold the CDnow Stockholders' Meeting
by the Outside Date (provided that N2K's right to terminate this Agreement under
such clause (v) shall not be available if at such time CDnow would be entitled
to terminate this Agreement under Section 7.1(h) without giving effect to the
cure period); or

          (f)  by CDnow, if (i) the Board of Directors of N2K shall have
withdrawn or modified its recommendation of this Agreement or the N2K Merger
(provided that CDnow's right to terminate this Agreement under such clause (i)
shall not be available if at such time N2K would be entitled to terminate this
Agreement under Section 7.1(h) without giving effect to the cure period); (ii)
after the receipt by N2K of an Acquisition

                                       54
<PAGE>
 
Proposal, CDnow requests in writing that the Board of Directors of N2K reconfirm
its recommendation of this Agreement and the N2K Merger to the stockholders of
CDnow and the Board of Directors of N2K fails to do so within 10 business days
after its receipt of CDnow's request; (iii) the Board of Directors of N2K shall
have recommended to the stockholders of N2K an Alternative Transaction (as
defined in Section 7.3(e)); (iv) a tender offer or exchange offer for 20% or
more of the outstanding shares of N2K Common Stock is commenced (other than by
CDnow or an Affiliate of CDnow) and the Board of Directors of N2K recommends
that the stockholders of N2K tender their shares in such tender or exchange
offer; or (v) for any reason N2K fails to call and hold the N2K Stockholders'
Meeting by the Outside Date (provided that CDnow's right to terminate this
Agreement under such clause (v) shall not be available if at such time N2K would
be entitled to terminate this Agreement under Section 7.1(h) without giving
effect to the cure period); or

          (g)  by N2K or CDnow, prior to the approval of this Agreement by the
stockholders of such party, if, as a result of a Superior Proposal received by
such party from a Third Party, the Board of Directors of such party determines
in good faith after consultation with outside legal counsel that accepting such
Superior Proposal is required for such Board of Directors to comply with its
fiduciary duties to stockholders under applicable law; provided, however, that
                                                       --------  ------- 
no termination shall be effective pursuant to this Section 7.1(g) under
circumstances in which a termination fee is payable by the terminating party
pursuant to Section 7.3(b)(iii) or (c)(iii), unless concurrently with such
termination, such termination fee is paid in full by the terminating party in
accordance with Section 7.3(b)(iii) or (c)(iii), as applicable; or

          (h)  by N2K or CDnow, if (A) there has been a breach of any
representation, warranty, covenant or agreement on the part of the other party
set forth in this Agreement, which breach (i) will cause the conditions set
forth in Section 6.2(a) or (b) (in the case of termination by N2K) or 6.3(a) or
(b) (in the case of termination by CDnow) not to be satisfied, and (ii) shall
not have been cured within 20 business days following receipt by the breaching
party of written notice of such breach from the other party; or (B) any event
shall have occurred which makes it impossible for the conditions set forth in
Article VI hereof (other than Section 6.1(a), 6.1(e), 6.2(a), 6.2(b), 6.2(d),
6.3(a), 6.3(b) and 6.3(d)) to be satisfied, provided that any termination
pursuant to this clause (B) shall not be effective until 20 business days after
notice thereof is delivered by the party seeking to terminate to the other
party, and shall be automatically rescinded if (1) such condition is solely for
the benefit of the party receiving such notice and (2) such party, prior to such
20th business day, irrevocably waives satisfaction of such condition based on
such event; (C) there has been a breach of the representation, warranty,
covenant or agreement set forth in Section 3.10(c), 3.11(b) or 5.1(l) (in the
case of a termination by CDnow) which would have a N2K Material Adverse Effect
or in Section 4.10(c) (in the case of a termination by N2K) which would have a
CDnow Material Adverse Effect; or (D) by CDnow if there has been a N2K Material
Adverse Effect under Section 6.3(d), or by N2K if there has been a CDnow
Material Adverse Effect under Section 6.2(d), in

                                       55
<PAGE>
 
either case which shall not have been cured within 20 business days following
receipt by the breaching party of written notice of such breach from the other
party.

     Section 7.2.  EFFECT OF TERMINATION. In the event of termination of this
                   ---------------------
Agreement as provided in Section 7.1, this Agreement shall immediately become
void and there shall be no liability or obligation on the part of N2K, CDnow,
NewCo or their respective officers, directors, stockholders or Affiliates,
except as set forth in Sections 5.15 and 7.3 and except that such termination
shall not limit liability for a willful breach of this Agreement; provided that,
the provisions of Sections 5.15 and 7.3 of this Agreement, the Stock Option
Agreements and the Confidentiality Agreement shall remain in full force and
effect and survive any termination of this Agreement.

     Section 7.3.  FEES AND EXPENSES.
                   -----------------

           (a)  Except as set forth in this Section 7.3, all fees and expenses
incurred in connection with this Agreement and the transactions contemplated
hereby shall be paid by the party incurring such expenses, whether or not the
Mergers are consummated.

           (b)  N2K shall pay CDnow a termination fee of $3.75 million upon the
earliest to occur of the following events:

     (i)   the termination of this Agreement by either CDnow or N2K pursuant to
Section 7.1(d)(ii), if a proposal for an Alternative Transaction (as defined
below) involving N2K shall have been publicly announced prior to the N2K
Stockholders' Meeting and either a definitive agreement for an Alternative
Transaction is entered into, or an Alternative Transaction is consummated,
within eighteen months of such termination;

     (ii)  the termination of this Agreement by CDnow pursuant to Section
7.1(f); or

     (iii) the termination of this Agreement by N2K pursuant to Section 7.1(g).

           If and to the extent that CDnow has purchased shares of N2K Common
Stock pursuant to the CDnow Stock Option Agreement prior to the payment of the
$3.75 million fee provided for herein (the "Fee Payment Date"), the amount
payable to CDnow under this Section 7.3(b), together with (i)(x) the net cash
amount received by CDnow prior to the Fee Payment Date pursuant to N2K's
repurchase of Shares (as defined in the CDnow Stock Option Agreement) pursuant
to Section 7 of the CDnow Stock Option Agreement, less (y) CDnow's purchase
price for such Shares, and (ii)(x) the amounts received by CDnow prior to the
Fee Payment Date pursuant to the sale of Shares (or any other securities into
which such Shares are converted or exchanged), less (y) CDnow's purchase price
for such Shares, shall not exceed $3.75 million. N2K's payment of a termination
fee pursuant to this subsection and any applicable payments under the 

                                       56
<PAGE>
 
CDnow Stock Option Agreement shall be the sole and exclusive remedy of CDnow
against N2K and any of its Subsidiaries and their respective directors,
officers, employees, agents, advisors or other representatives with respect to
the occurrences giving rise to such payments; provided that this limitation
shall not apply in the event of a willful breach of this Agreement by N2K.

           (c)  CDnow shall pay N2K a termination fee of $3.75 million upon the
earliest to occur of the following events:

     (i)   the termination of this Agreement by either N2K or CDnow pursuant to
Section 7.1(d)(i), if a proposal for an Alternative Transaction (as defined
below) involving CDnow shall have been publicly announced prior to the CDnow
Stockholders' Meeting and either an Alternative Transaction is entered into, or
an Alternative Transaction is consummated, within eighteen months of such
termination;

     (ii)  the termination of this Agreement by N2K pursuant to Section 7.1(e);
or

     (iii) the termination of this Agreement by CDnow pursuant to Section 7.1
(g).

           If and to the extent that N2K has purchased shares of CDnow Common
Stock pursuant to the N2K Stock Option Agreement prior to the Fee Payment Date,
the amount payable to N2K under this Section 7.3(c), together with (i)(x) the
net cash amount received by N2K prior to the Fee Payment Date pursuant to
CDnow's repurchase of Shares (as defined in the N2K Stock Option Agreement)
pursuant to Section 7 of the N2K Stock Option Agreement, less (y) N2K's purchase
price for such Shares, and (ii)(x) the amounts received by N2K prior to the Fee
Payment Date pursuant to the sale of Shares (or any other securities into which
such Shares are converted or exchanged), less (y) N2K's purchase price for such
Shares, shall not exceed $3.75 million. CDnow's payment of a termination fee
pursuant to this subsection and any applicable payments under the N2K Stock
Option Agreement shall be the sole and exclusive remedy of N2K against CDnow and
any of its Subsidiaries and their respective directors, officers, employees,
agents, advisors or other representatives with respect to the occurrences giving
rise to such payments; provided that this limitation shall not apply in the
event of a willful breach of this Agreement by CDnow.

           (d)  The fees payable pursuant to Section 7.3(b) or 7.3(c) shall be
paid concurrently with the first to occur of the events described in Section
7.3(b)(i), (ii) or (iii) of 7.3(c)(i), (ii) or (iii), respectively.

           (e)  As used in this Agreement, "Alternative Transaction" means
either (i) a transaction pursuant to which any Third Party acquires more than
20% of the outstanding shares of N2K Common Stock or CDnow Common Stock, as the
case may be, pursuant to a tender offer or exchange offer or otherwise, (ii) a
merger or other business combination involving N2K or CDnow pursuant to which
any Third Party (or the stockholders of a Third Party) acquires more than 20% of
the outstanding shares of

                                       57
<PAGE>
 
N2K Common Stock or CDnow Common Stock, as the case may be, or the entity
surviving such merger or business combination, (iii) any other transaction
pursuant to which any Third Party acquires control of assets (including for this
purpose the outstanding equity securities of Subsidiaries of N2K or CDnow, and
the entity surviving any merger or business combination including any of them)
of N2K or CDnow having a fair market value (as determined by the Board of
Directors of N2K or CDnow, as the case may be, in good faith) equal to more than
20% of the fair market value of all the assets of N2K or CDnow, as the case may
be, and their respective Subsidiaries, taken as a whole, immediately prior to
such transaction, or (iv) any public announcement of a proposal, plan or
intention to do any of the foregoing or any agreement to engage in any of the
foregoing.

          (f)  N2K and CDnow shall share equally (i) the filing fees in
connection with the filing of the Registration Statement and the Joint Proxy
Statement/Prospectus, (ii) the expenses incurred in connection with printing and
mailing the Registration Statement and the Joint Proxy Statement/Prospectus, and
(iii) any expenses incurred in connection with the formation of NewCo.

     Section 7.4.  AMENDMENT. This Agreement may be amended by the parties
                   ---------
hereto, by action taken or authorized by their respective Boards of Directors,
at any time before or after approval of the matters presented in connection with
the Mergers by the stockholders of N2K or CDnow, but, after any such approval,
no amendment shall be made which by law requires further approval by such
stockholders without such further approval. This Agreement may not be amended
except by an instrument in writing signed on behalf of each of the parties
hereto; provided, however, that this Agreement may be amended in writing without
obtaining the signatures of N2K, CDnow or NewCo solely for the purpose of adding
N2K Sub and CDnow Sub as parties to this Agreement.

     Section 7.5.  EXTENSION; WAIVER. At any time prior to the Effective Time,
                   ----------------- 
the parties hereto, by action taken or authorized by their respective Boards of
Directors, may, to the extent legally allowed, (i) extend the time for the
performance of any of the obligations or other acts of the other parties hereto,
(ii) waive any inaccuracies in the representations and warranties contained
herein or in any document delivered pursuant hereto and (iii) waive compliance
with any of the agreements or conditions contained here. Any agreement on the
part of a party hereto to any such extension or waiver shall be valid only if
set forth in a written instrument signed on behalf of such party.


                                ARTICLE VIII.  

                                MISCELLANEOUS

     Section 8.1.  NONSURVIVAL OF REPRESENTATIONS, WARRANTIES AND AGREEMENTS
                   ---------------------------------------------------------

                                       58
<PAGE>
 
None of the representations, warranties and agreements in this Agreement or in
any instrument delivered pursuant to this Agreement shall survive the Effective
Time, except for the agreements contained in Sections 1.6, 2.1, 2.2, 2.4, 5.14,
5.16, 5.19, 5.21 and 5.26 and Article VIII, and the agreements of the Affiliates
delivered pursuant to Section 5.12. The Confidentiality Agreements shall survive
the execution and delivery of this Agreement.

     Section 8.2.  NOTICES. All notices and other communications hereunder
                   -------
shall be in writing and shall be deemed given if delivered personally,
telecopied (which is confirmed) or mailed by registered or certified mail
(return receipt requested) to the parties at the following addresses (or at such
other address for a party as shall be specified by like notice):

               (a)  if to N2K, to

                         N2K Inc.
                         55 Broad Street, 26th Floor
                         New York, NY  10004
                         Attn:  General Counsel
                         Telecopy:  (212) 742-1778

                    with a copy to

                         Dewey Ballantine LLP
                         1301 Avenue of the Americas
                         New York, NY  10019-6092
                         Attn:  Frank E. Morgan, II, Esq.
                         Telecopy:  (212) 295-6333

               (b)  if to CDnow, to

                         CDnow, Inc.
                         Jenkins Court, Suite 300
                         610 Old York Road
                         Jenkinstown, PA  19046
                         Attn:  David Capozzi, General Counsel
                         Telecopy:  (215) 517-5745

                         *485 Delaware Ave.
                         Fort Washington, PA
                         (effective 11/6/98)

                                       59
<PAGE>
 
                    with a copy to:

                         Morgan, Lewis & Bockius LLP
                         2000 One Logan Square
                         Philadelphia, PA  19103-6993
                         Attn:   James W. McKenzie, Jr., Esq.
                         Telecopy:  (215) 963-5299

                         *1701 Market Street
                         Philadelphia, PA  19103-2921
                         (effective 11/23/98)

     Section 8.3.  INTERPRETATION. When a reference is made in this Agreement
                   -------------- 
to Sections, such reference shall be to a Section of this Agreement unless
otherwise indicated. The table of contents and headings contained in this
Agreement are for reference purposes only and shall not affect in any way the
meaning or interpretation of this Agreement. Whenever the words "include,"
"includes" or "including" are used in this Agreement they shall be deemed to be
followed by the words "without limitation." The phrase "made available" in this
Agreement shall mean that the information referred to has been made available if
requested by the party to whom such information is to be made available. The
phrases "the date of this Agreement", "the date hereof," and terms of similar
import, unless the context otherwise requires, shall be deemed to refer to
October 22, 1998.

     Section 8.4.  COUNTERPARTS. This Agreement may be executed in two or more
                   ------------
counterparts, all of which shall be considered one and the same agreement and
shall become effective when two or more counterparts have been signed by each of
the parties and delivered to the other parties, it being understood that all
parties need not sign the same counterpart.

     Section 8.5.  ENTIRE AGREEMENT; NO THIRD PARTY BENEFICIARIES. This
                   ---------------------------------------------- 
Agreement and all documents and instruments referred to herein (a) constitute
the entire agreement and supersedes all prior agreements and understandings,
both written and oral, among the parties with respect to the subject matter
hereof, and (b) except as provided in Section 5.16 are not intended to confer
upon any person other than the parties hereto any rights or remedies hereunder;
provided that the Confidentiality Agreements shall remain in full force and
effect until the Effective Time. Each party hereto agrees that, except for the
representations and warranties contained in this Agreement, neither N2K nor
CDnow, makes any other representations or warranties, and each hereby disclaims
any other representations and warranties made by itself or any of its officers,
directors, employees, agents, financial and legal advisors or other
representatives, with respect to the execution and delivery of this Agreement or
the transactions contemplated hereby, notwithstanding the delivery or disclosure
to the other or the other's representatives of any documentation or other
information with respect to any one or more of the foregoing.

                                       60
<PAGE>
 
     Section 8.6.  GOVERNING LAW. This Agreement shall be governed and
                   ------------- 
construed in accordance with the laws of the State of Delaware without regard to
any applicable conflicts of law.

     Section 8.7.  ASSIGNMENT. Neither this Agreement nor any of the rights,
                   ----------
interests or obligations hereunder shall be assigned by any of the parties
hereto (whether by operation of law or otherwise) without the prior written
consent of the other parties. Subject to the preceding sentence, this Agreement
will be binding upon, inure to the benefit of and be enforceable by the parties
and their respective successors and assigns.

                                       61
<PAGE>
 
          IN WITNESS WHEREOF, N2K, CDnow and NewCo have caused this Agreement to
be signed by their respective duly authorized officers as of the date first
written above.

                                   N2K INC.





                                   By:  /s/     Jonathan V. Diamond
                                      _____________________________________

                                      Name:     Jonathan V. Diamond

                                      Title:    Vice Chairman and CEO




                                   CDNOW, INC.




                                   By:  /s/     Jason Olim
                                      _____________________________________

                                      Name:     Jason Olim

                                      Title:    President




                                   EXIT 8 HOLDING COMPANY




                                   By:  /s/     Jason Olim
                                      _____________________________________

                                      Name:     Jason Olim

                                      Title:    President

                                       62

<PAGE>
 
                                                                    Exhibit 10.1

                        STOCK OPTION AGREEMENT (CDNOW)


          STOCK OPTION AGREEMENT, dated as of October 22, 1998 (the
"Agreement"), between CDnow, Inc., a Pennsylvania corporation (the "Grantee"),
and N2K Inc., a Delaware corporation (the "Grantor").

          WHEREAS, the Grantee, Exit 8 Holding Company, a Pennsylvania
corporation ("NewCo"), and the Grantor are entering into an Agreement and Plan
of Merger, dated as of the date hereof (the "Merger Agreement"), which provides,
among other things, for the merger (the "CDnow Merger") of a subsidiary of NewCo
with and into the Grantee and the merger (the "N2K Merger") of another
subsidiary of NewCo with and into the Grantor, such that the Grantee and the
Grantor will become wholly-owned subsidiaries of NewCo and the stockholders of
the Grantee and the Grantor will become stockholders of NewCo (the CDnow Merger
and the N2K Merger collectively, the "Mergers");

          WHEREAS, pursuant to a Stock Option Agreement dated as of the date
hereof between the Grantee and the Grantor, the Grantee has granted the Grantor
an option to acquire shares of common stock of the Grantee on terms that are
substantially similar to the terms of this Agreement (the "N2K Option");

          WHEREAS, as a condition and inducement to their willingness to enter
into the Merger Agreement and the N2K Option, the Grantee and NewCo have
requested that the Grantor grant to the Grantee an option to purchase 2,827,229
shares of Common Stock, par value $.001 per share, of the Grantor (the "Common
Stock"), upon the terms and subject to the conditions hereof; and

          WHEREAS, in order to induce the Grantee to enter into the Merger
Agreement and grant the N2K Option, the Grantor is willing to grant the Grantee
the requested option.

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants and agreements set forth herein, the parties hereto agree as follows:

          1.   THE OPTION; EXERCISE; ADJUSTMENTS; PAYMENT OF SPREAD.
               -----------------------------------------------------

                    (a)  Contemporaneously herewith the Grantee, NewCo and the
Grantor are entering into the Merger Agreement. Subject to the other terms and
conditions set forth herein, the Grantor hereby grants to the Grantee an
irrevocable option (the "Option") to purchase up to 2,827,229 (as adjusted as
provided herein) shares of Common Stock (the "Shares") at a per share cash
purchase price equal to the lower of (i) $5.50 per Share or (ii) the average
closing sales price of the Common Stock on the Nasdaq National Market ("Nasdaq")
for the five consecutive trading days beginning on and including the day that
the Mergers are publicly announced (as adjusted as provided herein) (such lower
price being the "Purchase Price"). The Option may be exercised by the Grantee,
in whole or in part, at any
<PAGE>
 
time, or from time to time, following the occurrence of one of the events set
forth in Section 2(c) hereof and prior to the termination of the Option in
accordance with the terms of this Agreement.

                    (b)  In the event the Grantee wishes to exercise the Option,
the Grantee shall send a written notice to the Grantor (the "Stock Exercise
Notice") specifying a date (subject to the HSR Act (as defined below)) not later
than 10 business days and not earlier than the next business day following the
date such notice is given for the closing of such purchase. In the event of any
change in the number of issued and outstanding shares of Common Stock by reason
of any stock dividend, stock split, split-up, reclassification,
recapitalization, merger or other change in the corporate or capital structure
of the Grantor (including the occurrence under the Grantor Rights Plan of a
Distribution Date (as defined therein)), the number of Shares subject to this
Option and the purchase price per Share shall be appropriately adjusted to
restore the Grantee to its rights hereunder, including its right to purchase
Shares representing 19.9% of the capital stock of the Grantor entitled to vote
generally for the election of the directors of the Grantor which is issued and
outstanding immediately prior to the exercise of the Option at an aggregate
purchase price equal to the Purchase Price multiplied by 2,827,229. In the event
that any additional shares of Common Stock are issued after the date of this
Agreement (other than pursuant to an event described in the preceding sentence),
the number of Shares subject to this Option shall be increased by 19.9% of the
number of the additional shares of Common Stock so issued (and such additional
Shares shall have a purchase price per share equal to the Purchase Price).

                    (c)  If at any time the Option is then exercisable pursuant
to the terms of Section 1(a) hereof, the Grantee may elect, in lieu of
exercising the Option to purchase Shares provided in Section l(a) hereof, to
send a written notice to the Grantor (the "Cash Exercise Notice") specifying a
date not later than 20 business days and not earlier than 10 business days
following the date such notice is given on which date the Grantor shall pay to
the Grantee an amount in cash equal to the Spread (as hereinafter defined)
multiplied by all or such portion of the Shares subject to the Option as Grantee
shall specify. As used herein "Spread" shall mean the excess, if any, over the
Purchase Price of the higher of (x) if applicable, the highest price per share
of Common Stock (including any brokerage commissions, transfer taxes and
soliciting dealers' fees) paid by any person in an Alternative Transaction (as
defined in clause (i), (ii) or (iii) of Section 7.3(e) of the Merger Agreement)
(the "Alternative Purchase Price") or (y) the closing sales price of the shares
of Common Stock on the Nasdaq on the last trading day immediately prior to the
date of the Cash Exercise Notice (the "Closing Price"). If the Alternative
Purchase Price includes any property other than cash, the Alternative Purchase
Price shall be the sum of (i) the fixed cash amount, if any, included in the
Alternative Purchase Price plus (ii) the fair market value of such other
property. If such other property consists of securities with an existing public
trading market, the average of the closing sales prices (or the average of the
closing bid and asked prices if closing sales prices are unavailable) for such
securities in their principal public trading market on the five trading days
ending five days prior to the date of the Cash Exercise Notice shall be deemed
to equal the fair market value of such property. If such other property consists
of something other than cash or securities with an existing public trading
market and, as of the payment date for the Spread, agreement on the value of
such other

                                       2
<PAGE>
 
property has not been reached, the Alternative Purchase Price shall be deemed to
equal the Closing Price. Upon exercise of the Grantee's right to receive cash
pursuant to this Section 1(c) and the payment of such cash to the Grantee, the
obligations of the Grantor to deliver Shares pursuant to Section 3 shall be
terminated with respect to such number of Shares for which the Grantee shall
have elected to be paid the Spread.

          2.   CONDITIONS TO DELIVERY OF SHARES. The Grantor's obligation to
               --------------------------------
deliver Shares upon exercise of the Option is subject only to the conditions
that:

                    (a)  No preliminary or permanent injunction or other order
issued by any federal or state court of competent jurisdiction in the United
States prohibiting the delivery of the Shares shall be in effect; and

                    (b)  Any applicable waiting periods under the Hart-Scott-
Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act") shall have
expired or been terminated and all other consents, approvals, orders,
notifications or authorizations, the failure of which to obtain or make would
have the effect of making the issuance of the Shares illegal (collectively, the
"Regulatory Approvals") shall have been obtained or made; and

                    (c)  (i) a proposal for an Alternative Transaction (as
defined in the Merger Agreement) involving the Grantor shall have been publicly
announced prior to the time the Merger Agreement is terminated pursuant to the
terms thereof (the "Merger Termination Date") and one or more of the following
events shall have occurred on or after the time of the making of such proposal:
(A) the requisite vote of the stockholders of the Grantor in favor of adoption
and approval of the Merger Agreement shall not have been obtained at the N2K
Stockholders' Meeting (as defined in the Merger Agreement) or any adjournment or
postponement thereof, (B) the Board of Directors of the Grantor shall have
withdrawn or modified its recommendation of the Merger Agreement or the N2K
Merger or failed to confirm its recommendation of the Merger Agreement or the
N2K Merger to the stockholders of the Grantor within ten business days after a
written request by the Grantee to do so; (C) the Board of Directors of the
Grantor shall have recommended to the stockholders of the Grantor an Alternative
Transaction (as defined in the Merger Agreement); (D) a tender offer or exchange
offer for 20% or more of the outstanding shares of Grantor Common Stock shall
have been commenced (other than by the Grantee or an affiliate of the Grantee)
and the Board of Directors of the Grantor shall have recommended that the
stockholders of the Grantor tender their shares in such tender or exchange
offer; or (E) for any reason Grantor shall have failed to call and hold the N2K
Stockholders' Meeting (as defined in the Merger Agreement) by the Outside Date
(as defined in the Merger Agreement); provided, however, that the Option may not
be exercised if the Grantee is in material breach of any of its material
representations, warranties, covenants or agreements contained in this Agreement
or in the Merger Agreement; or (ii) the Merger Agreement shall have been
terminated by the Grantor pursuant to Section 7.1(g) of the Merger Agreement.

          3.   THE CLOSING.
               -----------

                                       3
<PAGE>
 
                    (a)  Any closing hereunder shall take place on the date
specified by the Grantee in its Stock Exercise Notice or Cash Exercise Notice,
as the case may be, at 8:00 A.M., local time, at the offices of Dewey Ballantine
LLP, 1301 Avenue of the Americas, New York, New York 10019 or, if the conditions
set forth in Section 2(a) or 2(b) have not then been satisfied, on the second
business day following the satisfaction of such conditions, or at such other
time and place as the parties hereto may agree (the "Closing Date"). On the
Closing Date, (i) in the event of a closing pursuant to Section 1(b) hereof, the
Grantor will deliver to the Grantee a certificate or certificates, duly endorsed
(or accompanied by duly executed stock powers), representing the Shares in the
denominations designated by the Grantee in its Stock Exercise Notice and the
Grantee will purchase such Shares from the Grantor at the price per Share equal
to the Purchase Price or (ii) in the event of a closing pursuant to Section 1(c)
hereof, the Grantor will deliver to the Grantee cash in an amount determined
pursuant to Section 1(c) hereof. Any payment made by the Grantee to the Grantor,
or by the Grantor to the Grantee, pursuant to this Agreement shall be made by
certified or official bank check or by wire transfer of federal funds to a bank
designated by the party receiving such funds.

                    (b)  The certificates representing the Shares may bear an
appropriate legend relating to the fact that such Shares have not been
registered under the Securities Act of 1933, as amended (the "Securities Act").

          4.   REPRESENTATIONS AND WARRANTIES OF THE GRANTOR.
               ---------------------------------------------   
The Grantor represents and warrants to the Grantee that (a) the Grantor is a
corporation duly organized, validly existing and in good standing under the laws
of the Commonwealth of Pennsylvania and has the requisite corporate power and
authority to enter into and perform this Agreement; (b) the execution and
delivery of this Agreement by the Grantor and the consummation by it of the
transactions contemplated hereby have been duly authorized by the Board of
Directors of the Grantor and this Agreement has been duly executed and delivered
by a duly authorized officer of the Grantor and constitutes a valid and binding
obligation of the Grantor, enforceable in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and
similar laws of general applicability relating to or affecting creditors' rights
and to general equity principles; (c) the Grantor has taken all necessary
corporate action to authorize and reserve the Shares issuable upon exercise of
the Option and the Shares, when issued and delivered by the Grantor upon
exercise of the Option, will be duly authorized, validly issued, fully paid and
non-assessable and free of preemptive rights; (d) except as otherwise required
by the HSR Act and other than any filings required under the blue sky laws of
any states or by the Nasdaq, the execution and delivery of this Agreement by the
Grantor and the issuance of Shares upon exercise of the Option do not require
the consent, waiver, approval or authorization of or any filing with any person
or public authority and will not violate, result in a breach of or the
acceleration of any obligation under, or constitute a default under, any
provision of any charter or by-law, indenture, mortgage, lien, lease, agreement,
contract, instrument, order, law, rule, regulation, judgment, ordinance, or
decree, or restriction by which the Grantor or any of its subsidiaries or any of
their respective properties or assets is bound; and (e) no "fair price",
"moratorium", "control share acquisition" or other form of antitakeover statute
or regulation (including, without limitation, the restrictions on "business
combinations" set
                                       4
<PAGE>
 
forth in Section 203 of the Delaware General Corporation Law) is or shall be
applicable to the acquisition of Shares pursuant to this Agreement (and the
Board of Directors of Grantor has taken all action to approve the acquisition of
the Shares to the extent necessary to avoid such application).

          5.   REPRESENTATIONS AND WARRANTIES OF THE GRANTEE.
               ---------------------------------------------
The Grantee represents and warrants to the Grantor that (a) the execution and
delivery of this Agreement by the Grantee and the consummation by it of the
transactions contemplated hereby have been duly authorized by all necessary
corporate action on the part of the Grantee and this Agreement has been duly
executed and delivered by a duly authorized officer of the Grantee and will
constitute a valid and binding obligation of Grantee; and (b) the Grantee is
acquiring the Option after the Grantee has been afforded the opportunity to
obtain, and has obtained, sufficient information regarding the Grantor to make
an informed investment decision with respect to the Grantee's purchase of the
Shares issuable upon the exercise thereof, and, if and when the Grantee
exercises the Option, it will be acquiring the Shares issuable upon the exercise
thereof for its own account and not with a view to distribution or resale in any
manner which would be in violation of the Securities Act.

               6.   LISTING OF SHARES; HSR ACT FILINGS; REGULATORY APPROVALS.
                    --------------------------------------------------------
Subject to applicable law and the rules and regulations of the Nasdaq, the
Grantor will promptly file an application to list the Shares on the Nasdaq and
will use its best efforts to obtain approval of such listing and to file all
necessary filings by the Grantor under the HSR Act; provided, however, that if
the Grantor is unable to effect such listing on the Nasdaq by the Closing Date,
the Grantor will nevertheless be obligated to deliver the Shares upon the
Closing Date. Each of the parties hereto will use its best efforts to obtain
consents of all third parties and all Regulatory Approvals, if any, necessary to
the consummation of the transactions contemplated.

               7.   REPURCHASE OF SHARES; SALE OF SHARES.
                    ------------------------------------ 
If a Change in Control Event (as defined below) has not occurred prior to the
first anniversary date of the Merger Termination Date, then beginning on such
anniversary date, the Grantor shall have the right to purchase (the "Repurchase
Right") all, but not less than all, of the Shares then beneficially owned by the
Grantee or any of its affiliates at a price per share equal to the greater of
(i) the Purchase Price, or (ii) the average of the closing sales prices for
shares of Common Stock on the twenty trading days ending five days prior to the
date the Grantor gives written notice of its intention to exercise the
Repurchase Right. If the Grantor does not exercise the Repurchase Right within
thirty days following the first anniversary of the Merger Termination Date, the
Repurchase Right terminates. In the event the Grantor wishes to exercise the
Repurchase Right, the Grantor shall send a written notice to the Grantee
specifying a date (not later than 10 business days and not earlier than the next
business day following the date such notice is given) for the closing of such
purchase. For purposes of the Agreement, a "Change in Control Event" shall be
deemed to have occurred if (i) any person or group has a acquired beneficial
ownership of more than fifty percent (excluding the Shares) of the outstanding
shares of Common Stock or (ii) the Grantor shall have entered into an agreement,
including, without limitation, an agreement in principle, providing for (x) a
merger or other business combination involving the Grantor in which the

                                       5
<PAGE>
 
Grantor's stockholders do not own a majority of the outstanding capital stock of
the entity surviving such merger or business combination immediately following
such transaction or (y) the acquisition of 20% or more of the assets of the
Grantor and its subsidiaries, taken as a whole.

          8.   REGISTRATION RIGHTS.
               -------------------

                    (a)  In the event that the Grantee shall desire to sell any
of the Shares within two years after the purchase of such Shares pursuant
hereto, and such sale requires, in the opinion of counsel to the Grantee, which
opinion shall be reasonably satisfactory to the Grantor and its counsel,
registration of such Shares under the Securities Act, the Grantor will cooperate
with the Grantee and any underwriters in registering such Shares for resale,
including, without limitation, promptly filing a registration statement which
complies with the requirements of applicable federal and state securities laws,
entering into an underwriting agreement with such underwriters upon such terms
and conditions as are customarily contained in underwriting agreements with
respect to secondary distributions; provided, that, the Grantor shall not be
                                    --------  ----
required to have declared effective more than two registration statements
hereunder and shall be entitled to delay the filing or effectiveness of any
registration statement for up to 120 days if the offering would, in the judgment
of the Board of Directors of the Grantor, require premature disclosure of any
material corporate development or otherwise interfere with or adversely affect
any pending or proposed offering of securities of the Grantor or any other
material transaction involving the Grantor.

                    (b)  If the Common Stock is registered pursuant to the
provisions of this Section 8, the Grantor agrees (i) to furnish copies of the
registration statement and the prospectus relating to the Shares covered thereby
in such numbers as the Grantee may from time to time reasonably request and (ii)
if any event shall occur as a result of which it becomes necessary to amend or
supplement any registration statement or prospectus, to prepare and file under
the applicable securities laws such amendments and supplements as may be
necessary to keep effective for at least 90 days a prospectus covering the
Common Stock meeting the requirements of such securities laws, and to furnish
the Grantee such numbers of copies of the registration statement and prospectus
as amended or supplemented as may reasonably be requested. The Grantor shall
bear the cost of the registration, including, but not limited to, all
registration and filing fees, printing expenses, and fees and disbursements of
counsel and accountants for the Grantor, except that the Grantee shall pay the
fees and disbursements of its counsel, the underwriting fees and selling
commissions applicable to the shares of Common Stock sold by the Grantee. The
Grantor shall indemnify and hold harmless Grantee, its affiliates and its
officers, directors and controlling persons from and against any and all losses,
claims, damages, liabilities and expenses arising out of or based upon any
statements contained or incorporated by reference in, and omissions or alleged
omissions from, each registration statement filed pursuant to this paragraph;
provided, however, that this provision does not apply to any loss, liability,
- --------  -------
claim, damage or expense to the extent it arises out of any untrue statement or
omission made in reliance upon and in conformity with written information
furnished to the Grantor by the Grantee, its affiliates and its officers
expressly for use in any registration statement (or any amendment thereto) or
any preliminary prospectus filed pursuant to this paragraph. The Grantor shall

                                       6
<PAGE>
 
also indemnify and hold harmless each underwriter and each person who controls
any underwriter within the meaning of either the Securities Act or the
Securities Exchange Act of 1934, as amended, against any and all losses, claims,
damages, liabilities and expenses arising out of or based upon any statements
contained or incorporated by reference in, and omissions or alleged omissions
from, each registration statement filed pursuant to this paragraph; PROVIDED,
                                                                    --------
HOWEVER, that this provision does not apply to any loss, liability, claim,
- -------
damage or expense to the extent it arises out of any untrue statement or
omission made in reliance upon and in conformity with written information
furnished to the Grantor by the underwriters expressly for use in any
registration statement (or any amendment thereto) or any preliminary prospectus
filed pursuant to this paragraph.

          9.   PROFIT LIMITATION.
               -----------------

                    (a)  Notwithstanding any other provision of this Agreement,
in no event shall the Grantee's Total Profit (as hereinafter defined) exceed
$3.75 million and, if it does exceed such amount, the Grantee, at its sole
election, shall, within five business days, either (a) deliver to the Grantor
for cancellation Shares (valued, for the purposes of this Section 9(a), at the
average closing sales price of the Common Stock on the Nasdaq for the twenty
consecutive trading days preceding the day on which the Grantee's Total Profit
exceeds $3.75 million) previously purchased by the Grantee, (b) pay cash or
other consideration to the Grantor or (c) undertake any combination thereof, so
that the Grantee's Total Profit shall not exceed $3.75 million after taking into
account the foregoing actions.

                    (b)  As used herein, the term "Total Profit" shall mean the
aggregate amount (before taxes) of the following: (i) the amount of cash
received by the Grantee pursuant to Section 7.3(b) of the Merger Agreement and
Section 1(c) hereof, (ii)(x) the net cash amount received by the Grantee
pursuant to the Grantor's repurchase of Shares pursuant to Section 7 hereof,
less (y) the Grantee's purchase price for such Shares, and (iii)(x) the amount
received by the Grantee pursuant to the sale of Shares (or any other securities
into which such Shares are converted or exchanged), less (y) the Grantee's
purchase price for such Shares.

          10.  EXPENSES.
               --------
Each party hereto shall pay its own expenses incurred in connection with this
Agreement, except as otherwise specifically provided herein.

          11.  SPECIFIC PERFORMANCE.
               --------------------
The Grantor acknowledges that if the Grantor fails to perform any of its
obligations under this Agreement immediate and irreparable harm or injury would
be caused to the Grantee for which money damages would not be an adequate
remedy. In such event, the Grantor agrees that the Grantee shall have the right,
in addition to any other rights it may have, to specific performance of this
Agreement. Accordingly, if the Grantee should institute an action or proceeding
seeking specific enforcement of the provisions hereof, the Grantor hereby waives
the claim or defense that the Grantee has an adequate remedy at law and hereby
agrees not to assert in any such action or proceeding the claim or defense that
such a remedy at law

                                       7
<PAGE>
 
exists. The Grantor further agrees to waive any requirements for the securing or
posting of any bond in connection with obtaining any such equitable relief.

          12.  NOTICE.
               ------
All notices, requests, demands and other communications hereunder shall be
deemed to have been duly given and made if in writing and if served by personal
delivery upon the party for whom it is intended or delivered by registered or
certified mail, return receipt requested, or if sent by facsimile transmission,
upon receipt of oral confirmation that such transmission has been received, to
the person at the address set forth below, or such other address as may be
designated in writing hereafter, in the same manner, by such person:

                           If to the Grantor:

                           N2K Inc.
                           55 Broad Street, 26th Floor
                           New York, NY 10004
                           Attn:  General Counsel
                           Telecopy: (212) 742-1778

                           With a copy to:

                           Dewey Ballantine LLP
                           1301 Avenue of the Americas
                           New York, NY  10019-6092
                           Attn:  Frank E. Morgan, II, Esq.
                           Telecopy:  (212) 295-6333

                           If to the Grantee:

                           CDnow, Inc.
                           610 Old York Road*
                           Jenkinstown, PA 19046
                           Attn: David Capozzi, General Counsel
                           Telecopy:  (215) 517-5745
                           *485 Delaware Avenue
                           Fort Washington, PA (effective 11/6/98)

                           With a copy to:

                           Morgan, Lewis & Bockius LLP
                           2000 One Logan Square*
                           Philadelphia, PA  19103-6993
                           Attn:  James McKenzie, Esq.
                           Telecopy:  (215) 963-5299
                           *1701 Market Street
                           Philadelphia, PA 19103-2921 (effective 11/23/98)

                                       8
<PAGE>
 
          13.  PARTIES IN INTEREST.
               -------------------  
This Agreement shall inure to the benefit of and be binding upon the parties
named herein and their respective permitted successors and assigns; provided,
however, that such successor in interest or assigns shall agree to be bound by
the provisions of this Agreement. Except as set forth in Section 8, nothing in
this Agreement, express or implied, is intended to confer upon any person other
than the Grantor or the Grantee, or their successors or assigns, any rights or
remedies under or by reason of this Agreement.

          14.  ENTIRE AGREEMENT; AMENDMENTS.
               ---------------------------- 
This Agreement, together with the Merger Agreement and the other documents
referred to therein, contains the entire agreement between the parties hereto
with respect to the subject matter hereof and supersedes all prior and
contemporaneous agreements and understandings, oral or written, with respect to
such transactions. This Agreement may not be changed, amended or modified
orally, but may be changed only by an agreement in writing signed by the party
against whom any waiver, change, amendment, modification or discharge may be
sought.

          15.  ASSIGNMENT.
               ----------
No party to this Agreement may assign any of its rights or obligations under
this Agreement without the prior written consent of the other party hereto,
except that the Grantee may assign its rights and obligations hereunder to any
of its direct or indirect wholly-owned subsidiaries, but no such transfer shall
relieve the Grantee of its obligations hereunder if such transferee does not
perform such obligations. Any assignment made in violation of this Section 15
shall be void.

          16.  HEADINGS.
               --------
The section headings herein are for convenience only and shall not affect the
construction of this Agreement.

          17.  COUNTERPARTS.
               ------------
This Agreement may be executed in any number of counterparts, each of which,
when executed, shall be deemed to be an original and all of which together shall
constitute one and the same document.

          18.  GOVERNING LAW.
               -------------
This Agreement shall be governed by and construed in accordance with the laws of
the State of Delaware (regardless of the laws that might otherwise govern under
applicable Delaware principles of conflicts of law).

          19.  TERMINATION.
               -----------
The right to exercise the Option granted pursuant to this Agreement shall
terminate at the earlier of (i) the Effective Time (as defined in the Merger
Agreement), (ii) the date on which the Grantee realizes a Total Profit of $3.75
million, (iii) the date on which the Merger Agreement is terminated; provided
the Option is not exercisable at such time and does not become exercisable
simultaneous with such termination and (iv) 90 days after the date the

                                       9
<PAGE>
 
Option becomes exercisable (the date referred to in clause (iv) being
hereinafter referred to as the "Option Termination Date"); provided that, if the
Option cannot be exercised or the Shares cannot be delivered to the Grantee upon
such exercise because the conditions set forth in Section 2(a) or Section 2(b)
hereof have not yet been satisfied, the Option Termination Date shall be
extended until thirty days after such impediment to exercise has been removed.

          All representations and warranties contained in this Agreement shall
survive delivery of and payment for the Shares.

          20.  SEVERABILITY.
               ------------ 
If any term, provision, covenant or restriction of this Agreement is held by a
court of competent jurisdiction to be invalid, void or unenforceable, the
remainder of the terms, provisions, covenants and restrictions of this Agreement
shall remain in full force and effect and shall in no way be affected, impaired
or invalidated.

          21.  PUBLIC ANNOUNCEMENT.
               -------------------
The Grantee will consult with the Grantor and the Grantor will consult with the
Grantee before issuing any press release with respect to the initial
announcement of this Agreement, the Option or the transactions contemplated
hereby and neither party shall issue any such press release prior to such
consultation except as may be required by law.

                                       10
<PAGE>
 
          IN WITNESS WHEREOF, the Grantee and the Grantor have caused this
Agreement to be signed by their respective duly authorized officers as of the
date first written above.

                                   CDNOW, INC.

                                   By:  /s/     Jason Olim
                                      ______________________________

                                   Name:

                                   Title:





                                   N2K INC.



                                   By:  /s/     Jonathan V. Diamond
                                      _____________________________

                                   Name:

                                   Title:

                                       11

<PAGE>
 
                                                                    Exhibit 10.2
 
                         STOCK OPTION AGREEMENT (N2K)

     STOCK OPTION AGREEMENT, dated as of October 22, 1998 (the "Agreement"),
between N2K Inc., a Delaware corporation (the "Grantee"), and CDnow, Inc., a
Pennsylvania corporation (the "Grantor").

     WHEREAS, the Grantee, Exit 8 Holding Company, a Pennsylvania corporation
("NewCo"), and the Grantor are entering into an Agreement and Plan of Merger,
dated as of the date hereof (the "Merger Agreement"), which provides, among
other things, for the merger (the "N2K Merger") of a subsidiary of NewCo with
and into the Grantee and the merger (the "CDnow Merger") of another subsidiary
of NewCo with and into the Grantor, such that the Grantee and the Grantor will
become whollyowned subsidiaries of NewCo and the stockholders of the Grantee and
the Grantor will become stockholders of NewCo (the N2K Merger and the CDnow
Merger collectively, the "Mergers");

     WHEREAS, pursuant to a Stock Option Agreement dated as of the date hereof
between the Grantee and the Grantor, the Grantee has granted the Grantor an
option to acquire shares of common stock of the Grantee on terms that are
substantially similar to the terms of this Agreement (the "CDnow Option");

     WHEREAS, as a condition and inducement to their willingness to enter into
the Merger Agreement and the CDnow Option, the Grantee and NewCo have requested
that the Grantor grant to the Grantee an option to purchase 3,517,207 shares of
Common Stock, no par value per share, of the Grantor (the "Common Stock"), upon
the terms and subject to the conditions hereof; and

     WHEREAS, in order to induce the Grantee to enter into the Merger Agreement
and grant the CDnow Option, the Grantor is willing to grant the Grantee the
requested option.

     NOW, THEREFORE, in consideration of the premises and the mutual covenants
and agreements set forth herein, the parties hereto agree as follows:

     1.   The Option; Exercise; Adjustments; Payment of Spread.
     --------------------------------------------------------- 

          (a)  Contemporaneously herewith the Grantee, NewCo and the Grantor are
entering into the Merger Agreement. Subject to the other terms and conditions
set forth herein, the Grantor hereby grants to the Grantee an irrevocable option
(the "Option") to purchase up to 3,517,207 (as adjusted as provided herein)
shares of Common Stock (the "Shares") at a per share cash purchase price equal
to the lower of (i) $9.4375 per Share or (ii) the average closing sales price of
the Common Stock on the Nasdaq National Market ("Nasdaq") for the five
consecutive trading days beginning on and including the day that the Mergers are
publicly announced (as adjusted as provided herein) (such lower price being the
"Purchase Price"). The Option may be exercised by the Grantee, in whole or in
part, at any time, or from time to time, following the
<PAGE>
 
occurrence of one of the events set forth in Section 2(c) hereof and prior to
the termination of the Option in accordance with the terms of this Agreement.

          (b)  In the event the Grantee wishes to exercise the Option, the
Grantee shall send a written notice to the Grantor (the "Stock Exercise Notice")
specifying a date (subject to the HSR Act (as defined below)) not later than 10
business days and not earlier than the next business day following the date such
notice is given for the closing of such purchase. In the event of any change in
the number of issued and outstanding shares of Common Stock by reason of any
stock dividend, stock split, split-up, reclassification, recapitalization,
merger or other change in the corporate or capital structure of the Grantor
(including the occurrence under the Grantor Rights Plan of a Distribution Date
(as defined therein)), the number of Shares subject to this Option and the
purchase price per Share shall be appropriately adjusted to restore the Grantee
to its rights hereunder, including its right to purchase Shares representing
19.9% of the capital stock of the Grantor entitled to vote generally for the
election of the directors of the Grantor which is issued and outstanding
immediately prior to the exercise of the Option at an aggregate purchase price
equal to the Purchase Price multiplied by 3,517,207. In the event that any
additional shares of Common Stock are issued after the date of this Agreement
(other than pursuant to an event described in the preceding sentence), the
number of Shares subject to this Option shall be increased by 19.9% of the
number of the additional shares of Common Stock so issued (and such additional
Shares shall have a purchase price per share equal to the Purchase Price).

          (c)  If at any time the Option is then exercisable pursuant to the
terms of Section 1(a) hereof, the Grantee may elect, in lieu of exercising the
Option to purchase Shares provided in Section 1(a) hereof, to send a written
notice to the Grantor (the "Cash Exercise Notice") specifying a date not later
than 20 business days and not earlier than 10 business days following the date
such notice is given on which date the Grantor shall pay to the Grantee an
amount in cash equal to the Spread (as hereinafter defined) multiplied by all or
such portion of the Shares subject to the Option as Grantee shall specify. As
used herein "Spread" shall mean the excess, if any, over the Purchase Price of
the higher of (x) if applicable, the highest price per share of Common Stock
(including any brokerage commissions, transfer taxes and soliciting dealers'
fees) paid by any person in an Alternative Transaction (as defined in clause
(i), (ii) or (iii) of Section 7.3(e) of the Merger Agreement) (the "Alternative
Purchase Price") or (y) the closing sales price of the shares of Common Stock on
the Nasdaq on the last trading day immediately prior to the date of the Cash
Exercise Notice (the "Closing Price"). If the Alternative Purchase Price
includes any property other than cash, the Alternative Purchase Price shall be
the sum of (i) the fixed cash amount, if any, included in the Alternative
Purchase Price plus (ii) the fair market value of such other property. If such
other property consists of securities with an existing public trading market,
the average of the closing sales prices (or the average of the closing bid and
asked prices if closing sales prices are unavailable) for such securities in
their principal public trading market on the five trading days ending five days
prior to the date of the Cash Exercise Notice shall be deemed to equal the fair
market value of such property. If such other property consists of something
other than cash or securities with an existing public trading market and, as of
the payment date for the Spread, agreement on the value of such other property
has not been
<PAGE>
 
reached, the Alternative Purchase Price shall be deemed to equal the Closing
Price. Upon exercise of the Grantee's right to receive cash pursuant to this
Section 1(c) and the payment of such cash to the Grantee, the obligations of the
Grantor to deliver Shares pursuant to Section 3 shall be terminated with respect
to such number of Shares for which the Grantee shall have elected to be paid the
Spread.

     2.   Conditions to Delivery of Shares.
     ------------------------------------- 

     The Grantor's obligation to deliver Shares upon exercise of the Option is
subject only to the conditions that:

          (a)  No preliminary or permanent injunction or other order issued by
any federal or state court of competent jurisdiction in the United States
prohibiting the delivery of the Shares shall be in effect; and

          (b)  Any applicable waiting periods under the Hart-Scott-Rodino
Antitrust Improvements Act of 1976, as amended (the "HSR Act") shall have
expired or been terminated and all other consents, approvals, orders,
notifications or authorizations, the failure of which to obtain or make would
have the effect of making the issuance of the Shares illegal (collectively, the
"Regulatory Approvals") shall have been obtained or made; and

          (c)  (i) a proposal for an Alternative Transaction (as defined in the
Merger Agreement) involving the Grantor shall have been publicly announced prior
to the time the Merger Agreement is terminated pursuant to the terms thereof
(the "Merger Termination Date") and one or more of the following events shall
have occurred on or after the time of the making of such proposal: (A) the
requisite vote of the stockholders of the Grantor in favor of adoption and
approval of the Merger Agreement shall not have been obtained at the CDnow
Stockholders' Meeting (as defined in the Merger Agreement) or any adjournment or
postponement thereof, (B) the Board of Directors of the Grantor shall have
withdrawn or modified its recommendation of the Merger Agreement or the CDnow
Merger or failed to confirm its recommendation of the Merger Agreement or the
CDnow Merger to the stockholders of the Grantor within ten business days after a
written request by the Grantee to do so; (C) the Board of Directors of the
Grantor shall have recommended to the stockholders of the Grantor an Alternative
Transaction (as defined in the Merger Agreement); (D) a tender offer or exchange
offer for 20% or more of the outstanding shares of Grantor Common Stock shall
have been commenced (other than by the Grantee or an affiliate of the Grantee)
and the Board of Directors of the Grantor shall have recommended that the
stockholders of the Grantor tender their shares in such tender or exchange
offer; or (E) for any reason Grantor shall have failed to call and hold the
CDnow Stockholders' Meeting (as defined in the Merger Agreement) by the Outside
Date (as defined in the Merger Agreement); provided, however, that the Option
may not be exercised if the Grantee is in material breach of any of its material
representations, warranties, covenants or agreements contained in this Agreement
or in the Merger Agreement; or (ii) the Merger Agreement shall have been
terminated by the Grantor pursuant to Section 7.1(g) of the Merger Agreement.
<PAGE>
 
     3.   The Closing.
     ---------------- 

          (a)  Any closing hereunder shall take place on the date specified by
the Grantee in its Stock Exercise Notice or Cash Exercise Notice, as the case
may be, at 8:00 A.M., local time, at the offices of Dewey Ballantine LLP, 1301
Avenue of the Americas, New York, New York 10019 or, if the conditions set forth
in Section 2(a) or 2(b) have not then been satisfied, on the second business day
following the satisfaction of such conditions, or at such other time and place
as the parties hereto may agree (the "Closing Date"). On the Closing Date, (i)
in the event of a closing pursuant to Section1(b) hereof, the Grantor will
deliver to the Grantee a certificate or certificates, duly endorsed (or
accompanied by duly executed stock powers), representing the Shares in the
denominations designated by the Grantee in its Stock Exercise Notice and the
Grantee will purchase such Shares from the Grantor at the price per Share equal
to the Purchase Price or (ii) in the event of a closing pursuant to Section 1(c)
hereof, the Grantor will deliver to the Grantee cash in an amount determined
pursuant to Section 1(c) hereof. Any payment made by the Grantee to the Grantor,
or by the Grantor to the Grantee, pursuant to this Agreement shall be made by
certified or official bank check or by wire transfer of federal funds to a bank
designated by the party receiving such funds.

          (b)  The certificates representing the Shares may bear an appropriate
legend relating to the fact that such Shares have not been registered under the
Securities Act of 1933, as amended (the "Securities Act").

     4.   Representations And Warranties of the Grantor.
     -------------------------------------------------- 

     The Grantor represents and warrants to the Grantee that (a) the Grantor is
a corporation duly organized, validly existing and in good standing under the
laws of the Commonwealth of Pennsylvania and has the requisite corporate power
and authority to enter into and perform this Agreement; (b) the execution and
delivery of this Agreement by the Grantor and the consummation by it of the
transactions contemplated hereby have been duly authorized by the Board of
Directors of the Grantor and this Agreement has been duly executed and delivered
by a duly authorized officer of the Grantor and constitutes a valid and binding
obligation of the Grantor, enforceable in accordance with its terms, subject to
bankruptcy, insolvency, fraudulent transfer, reorganization, moratorium and
similar laws of general applicability relating to or affecting creditors' rights
and to general equity principles; (c) the Grantor has taken all necessary
corporate action to authorize and reserve the Shares issuable upon exercise of
the Option and the Shares, when issued and delivered by the Grantor upon
exercise of the Option, will be duly authorized, validly issued, fully paid and
nonassessable and free of preemptive rights; (d) except as otherwise required by
the HSR Act and other than any filings required under the blue sky laws of any
states or by the Nasdaq, the execution and delivery of this Agreement by the
Grantor and the issuance of Shares upon exercise of the Option do not require
the consent, waiver, approval or authorization of or any filing with any person
or public authority and will not violate, result in a breach of or the
acceleration of any obligation under, or constitute a default under, any
provision of any charter or bylaw, indenture, mortgage, lien, lease, agreement,
contract,
<PAGE>
 
instrument, order, law, rule, regulation, judgment, ordinance, or decree, or
restriction by which the Grantor or any of its subsidiaries or any of their
respective properties or assets is bound; and (e) other than the "shareholder
constituency" provision of Section 1715 of the Pennsylvania Business Corporation
Law (the "PBCL"), no "fair price", "moratorium", "control share acquisition" or
other form of antitakeover statute or regulation (including, without limitation,
the restrictions on acquisitions of corporate control set forth in Section 1715
of the PBCL) is or shall be applicable to the acquisition of Shares pursuant to
this Agreement (and the Board of Directors of Grantor has taken all action to
approve the acquisition of the Shares to the extent necessary to avoid such
application).

     5.   Representations and Warranties of the Grantee.
     -------------------------------------------------- 

     The Grantee represents and warrants to the Grantor that (a) the execution
and delivery of this Agreement by the Grantee and the consummation by it of the
transactions contemplated hereby have been duly authorized by all necessary
corporate action on the part of the Grantee and this Agreement has been duly
executed and delivered by a duly authorized officer of the Grantee and will
constitute a valid and binding obligation of Grantee; and (b) the Grantee is
acquiring the Option after the Grantee has been afforded the opportunity to
obtain, and has obtained, sufficient information regarding the Grantor to make
an informed investment decision with respect to the Grantee's purchase of the
Shares issuable upon the exercise thereof, and, if and when the Grantee
exercises the Option, it will be acquiring the Shares issuable upon the exercise
thereof for its own account and not with a view to distribution or resale in any
manner which would be in violation of the Securities Act.

     6.   Listing of Shares; HSR Act Filings; Regulatory Approvals.
     ------------------------------------------------------------- 

     Subject to applicable law and the rules and regulations of the Nasdaq, the
Grantor will promptly file an application to list the Shares on the Nasdaq and
will use its best efforts to obtain approval of such listing and to file all
necessary filings by the Grantor under the HSR Act; provided, however, that if
the Grantor is unable to effect such listing on the Nasdaq by the Closing Date,
the Grantor will nevertheless be obligated to deliver the Shares upon the
Closing Date.  Each of the parties hereto will use its best efforts to obtain
consents of all third parties and all Regulatory Approvals, if any, necessary to
the consummation of the transactions contemplated.

     7.   Repurchase of Shares; Sale of Shares.
     ----------------------------------------- 

     If a Change in Control Event (as defined below) has not occurred prior to
the first anniversary date of the Merger Termination Date, then beginning on
such anniversary date, the Grantor shall have the right to purchase (the
"Repurchase Right") all, but not less than all, of the Shares then beneficially
owned by the Grantee or any of its affiliates at a price per share equal to the
greater of (i) the Purchase Price, or (ii) the average of the closing sales
prices for shares of Common Stock on the twenty trading days ending five days
prior to the date the Grantor gives
<PAGE>
 
written notice of its intention to exercise the Repurchase Right. If the Grantor
does not exercise the Repurchase Right within thirty days following the first
anniversary of the Merger Termination Date, the Repurchase Right terminates. In
the event the Grantor wishes to exercise the Repurchase Right, the Grantor shall
send a written notice to the Grantee specifying a date (not later than 10
business days and not earlier than the next business day following the date such
notice is given) for the closing of such purchase. For purposes of the
Agreement, a "Change in Control Event" shall be deemed to have occurred if (i)
any person or group has a acquired beneficial ownership of more than fifty
percent (excluding the Shares) of the outstanding shares of Common Stock or (ii)
the Grantor shall have entered into an agreement, including, without limitation,
an agreement in principle, providing for (x) a merger or other business
combination involving the Grantor in which the Grantor's stockholders do not own
a majority of the outstanding capital stock of the entity surviving such merger
or business combination immediately following such transaction or (y) the
acquisition of 20% or more of the assets of the Grantor and its subsidiaries,
taken as a whole.

     8.   Registration Rights.
     ------------------------ 

          (a)  In the event that the Grantee shall desire to sell any of the
Shares within two years after the purchase of such Shares pursuant hereto, and
such sale requires, in the opinion of counsel to the Grantee, which opinion
shall be reasonably satisfactory to the Grantor and its counsel, registration of
such Shares under the Securities Act, the Grantor will cooperate with the
Grantee and any underwriters in registering such Shares for resale, including,
without limitation, promptly filing a registration statement which complies with
the requirements of applicable federal and state securities laws, entering into
an underwriting agreement with such underwriters upon such terms and conditions
as are customarily contained in underwriting agreements with respect to 
secondary distributions; provided, that, the Grantor shall not be required to
                         --------  ----             
to have declared effective more than two registration statements hereunder and
shall be entitled to delay the filing or effectiveness of any registration
statement for up to 120 days if the offering would, in the judgment of the Board
of Directors of the Grantor, require premature disclosure of any material
corporate development or otherwise interfere with or adversely affect any
pending or proposed offering of securities of the Grantor or any other material
transaction involving the Grantor.

          (b)  If the Common Stock is registered pursuant to the provisions of
this Section 8, the Grantor agrees (i) to furnish copies of the registration
statement and the prospectus relating to the Shares covered thereby in such
numbers as the Grantee may from time to time reasonably request and (ii) if any
event shall occur as a result of which it becomes necessary to amend or
supplement any registration statement or prospectus, to prepare and file under
the applicable securities laws such amendments and supplements as may be
necessary to keep effective for at least 90 days a prospectus covering the
Common Stock meeting the requirements of such securities laws, and to furnish
the Grantee such numbers of copies of the registration statement and prospectus
as amended or supplemented as may reasonably be requested. The Grantor shall
bear the cost of the registration, including, but not limited to, all
registration and filing fees,
<PAGE>
 
printing expenses, and fees and disbursements of counsel and accountants for the
Grantor, except that the Grantee shall pay the fees and disbursements of its
counsel, the underwriting fees and selling commissions applicable to the shares
of Common Stock sold by the Grantee. The Grantor shall indemnify and hold
harmless Grantee, its affiliates and its officers, directors and controlling
persons from and against any and all losses, claims, damages, liabilities and
expenses arising out of or based upon any statements contained or incorporated
by reference in, and omissions or alleged omissions from, each registration
statement filed pursuant to this paragraph; provided, however, that this
                                            --------  -------
provision does not apply to any loss, liability, claim, damage or expense to the
extent it arises out of any untrue statement or omission made in reliance upon
and in conformity with written information furnished to the Grantor by the
Grantee, its affiliates and its officers expressly for use in any registration
statement (or any amendment thereto) or any preliminary prospectus filed
pursuant to this paragraph. The Grantor shall also indemnify and hold harmless
each underwriter and each person who controls any underwriter within the meaning
of either the Securities Act or the Securities Exchange Act of 1934, as amended,
against any and all losses, claims, damages, liabilities and expenses arising
out of or based upon any statements contained or incorporated by reference in,
and omissions or alleged omissions from, each registration statement filed
pursuant to this paragraph; provided, however, that this provision does not
                            --------  -------  
apply to any loss, liability, claim, damage or expense to the extent it arises
out of any untrue statement or omission made in reliance upon and in conformity
with written information furnished to the Grantor by the underwriters expressly
for use in any registration statement (or any amendment thereto) or any
preliminary prospectus filed pursuant to this paragraph.

     9.   Profit Limitation.
     ---------------------- 

          (a)  Notwithstanding any other provision of this Agreement, in no
event shall the Grantee's Total Profit (as hereinafter defined) exceed $3.75
million and, if it does exceed such amount, the Grantee, at its sole election,
shall, within five business days, either (a) deliver to the Grantor for
cancellation Shares (valued, for the purposes of this Section 9(a), at the
average closing sales price of the Common Stock on the Nasdaq for the twenty
consecutive trading days preceding the day on which the Grantee's Total Profit
exceeds $3.75 million) previously purchased by the Grantee, (b) pay cash or
other consideration to the Grantor or (c) undertake any combination thereof, so
that the Grantee's Total Profit shall not exceed $3.75 million after taking into
account the foregoing actions.

          (b)  As used herein, the term "Total Profit" shall mean the aggregate
amount (before taxes) of the following: (i) the amount of cash received by the
Grantee pursuant to Section 7.3(c) of the Merger Agreement and Section 1(c)
hereof, (ii)(x) the net cash amount received by the Grantee pursuant to the
Grantor's repurchase of Shares pursuant to Section 7 hereof, less (y) the
Grantee's purchase price for such Shares, and (iii)(x) the amount received by
the Grantee pursuant to the sale of Shares (or any other securities into which
such Shares are converted or exchanged), less (y) the Grantee's purchase price
for such Shares.
<PAGE>
 
     10.  Expenses.
     ------------- 

     Each party hereto shall pay its own expenses incurred in connection with
this Agreement, except as otherwise specifically provided herein.

     11.  Specific Performance.
     ------------------------- 

     The Grantor acknowledges that if the Grantor fails to perform any of its
obligations under this Agreement immediate and irreparable harm or injury would
be caused to the Grantee for which money damages would not be an adequate
remedy. In such event, the Grantor agrees that the Grantee shall have the right,
in addition to any other rights it may have, to specific performance of this
Agreement. Accordingly, if the Grantee should institute an action or proceeding
seeking specific enforcement of the provisions 0hereof, the Grantor hereby
waives the claim or defense that the Grantee has an adequate remedy at law and
hereby agrees not to assert in any such action or proceeding the claim or
defense that such a remedy at law exists. The Grantor further agrees to waive
any requirements for the securing or posting of any bond in connection with
obtaining any such equitable relief.

     12.  Notice.
     ----------- 

     All notices, requests, demands and other communications hereunder shall be
deemed to have been duly given and made if in writing and if served by personal
delivery upon the party for whom it is intended or delivered by registered or
certified mail, return receipt requested, or if sent by facsimile transmission,
upon receipt of oral confirmation that such transmission has been received, to
the person at the address set forth below, or such other address as may be
designated in writing hereafter, in the same manner, by such person:

                                If to the Grantee:             
                                                               
                                N2K Inc.                       
                                55 Broad Street, 26th Floor    
                                New York, NY 10004             
                                Attn:  General Counsel         
                                Telecopy: (212) 742-1778       
                                                               
                                With a copy to:                
                                                               
                                Dewey Ballantine LLP           
                                1301 Avenue of the Americas    
                                New York, NY  10019-6092       
                                Attn:  Frank E. Morgan, II, Esq.
                                Telecopy:  (212) 295-6333       
<PAGE>
 
                            If to the Grantor:  
                                                                            
                            CDnow, Inc.                                     
                            610 Old York Road*                              
                            Jenkinstown, PA 19046                           
                            Attn: David Capozzi, General Counsel            
                            Telecopy:  (215) 517-5745                       
                            *485 Delaware Avenue                            
                            Fort Washington, PA (effective 11/6/98)         
                                                                            
                            With a copy to:                                 
                                                                            
                            Morgan, Lewis & Bockius LLP                     
                            2000 One Logan Square*                          
                            Philadelphia, PA  19103-6993                    
                            Attn:  James McKenzie, Esq.                     
                            Telecopy:  (215) 963-5299                       
                            *1701 Market Street                             
                            Philadelphia, PA 19103-2921 (effective 11/23/98) 

     13.  Parties in Interest.
     ------------------------ 

     This Agreement shall inure to the benefit of and be binding upon the
parties named herein and their respective permitted successors and assigns;
provided, however, that such successor in interest or assigns shall agree to be
bound by the provisions of this Agreement. Except as set forth in Section 8,
nothing in this Agreement, express or implied, is intended to confer upon any
person other than the Grantor or the Grantee, or their successors or assigns,
any rights or remedies under or by reason of this Agreement.

     14.  Entire Agreement; Amendments.
     --------------------------------- 
 
     This Agreement, together with the Merger Agreement and the other documents
referred to therein, contains the entire agreement between the parties hereto
with respect to the subject matter hereof and supersedes all prior and
contemporaneous agreements and understandings, oral or written, with respect to
such transactions. This Agreement may not be changed, amended or modified
orally, but may be changed only by an agreement in writing signed by the party
against whom any waiver, change, amendment, modification or discharge may be
sought.

     15.  Assignment
     ---------------

     No party to this Agreement may assign any of its rights or obligations
under this Agreement without the prior written consent of the other party
hereto, except that the Grantee
<PAGE>
 
may assign its rights and obligations hereunder to any of its direct or indirect
wholly-owned subsidiaries, but no such transfer shall relieve the Grantee of its
obligations hereunder if such transferee does not perform such obligations. Any
assignment made in violation of this Section 15 shall be void.

     16.  Headings.
     ------------- 

     The section headings herein are for convenience only and shall not affect
the construction of this Agreement.

     17.  Counterparts.
     ----------------- 

     This Agreement may be executed in any number of counterparts, each of
which, when executed, shall be deemed to be an original and all of which
together shall constitute one and the same document.

     18.  Governing Law.
     ------------------ 

     This Agreement shall be governed by and construed in accordance with the
laws of the State of Delaware (regardless of the laws that might otherwise
govern under applicable Delaware principles of conflicts of law).

     19.  Termination.
     ---------------- 

     The right to exercise the Option granted pursuant to this Agreement shall
terminate at the earlier of (i) the Effective Time (as defined in the Merger
Agreement), (ii) the date on which the Grantee realizes a Total Profit of $3.75
million, (iii) the date on which the Merger Agreement is terminated; provided
the Option is not exercisable at such time and does not become exercisable
simultaneous with such termination and (iv) 90 days after the date the Option
becomes exercisable (the date referred to in clause (iv) being hereinafter
referred to as the "Option Termination Date"); provided that, if the Option
cannot be exercised or the Shares cannot be delivered to the Grantee upon such
exercise because the conditions set forth in Section 2(a) or Section 2(b) hereof
have not yet been satisfied, the Option Termination Date shall be extended until
thirty days after such impediment to exercise has been removed.

     All representations and warranties contained in this Agreement shall
survive delivery of and payment for the Shares.

     20.  Severability.
     ----------------- 

     If any term, provision, covenant or restriction of this Agreement is held
by a court of competent jurisdiction to be invalid, void or unenforceable, the
remainder of the terms, provisions, covenants and restrictions of this Agreement
shall remain in full force and effect and shall in no way be affected, impaired
or invalidated.
<PAGE>
 
     21.  Public Announcement.
     ------------------------ 

     The Grantee will consult with the Grantor and the Grantor will consult with
the Grantee before issuing any press release with respect to the initial
announcement of this Agreement, the Option or the transactions contemplated
hereby and neither party shall issue any such press release prior to such
consultation except as may be required by law.
<PAGE>
 
          IN WITNESS WHEREOF, the Grantee and the Grantor have caused this
Agreement to be signed by their respective duly authorized officers as of the
date first written above.
                                   N2K INC.

                                   By:  /s/     Jonathan V. Diamond
                                      _______________________________
                                      Name:    
                                      Title:   
                                              
                                              
                                              
                                   CDNOW, INC.
                                              
                                              
                                   By:  /s/     Jason Olim
                                      _______________________________ 
                                      Name:     
                                      Title:

<PAGE>
 
                                                                    Exhibit 10.3
 
                         SHAREHOLDER SUPPORT AGREEMENT

          SHAREHOLDER SUPPORT AGREEMENT dated as of October 22, 1998 (this
"Agreement"), by Jason Olim (the "Shareholder"), to and for the benefit of N2K
Inc., a Delaware corporation ("N2K").  Capitalized terms used and not otherwise
defined herein shall have the respective meanings assigned to them in the Merger
Agreement referred to below.

          WHEREAS, as of the date hereof, Shareholder owns of record and
beneficially such number of shares of common stock, no par value ("CDnow Common
Stock"), of CDnow Inc., a Pennsylvania corporation ("CDnow"), set forth opposite
Shareholder's name on Schedule A hereto (such shares, together with any other
voting or equity securities of CDnow hereafter acquired by such Shareholder
prior to the termination of this Agreement, being referred to herein
collectively as the "Shares");

          WHEREAS, concurrently with the execution of this Agreement, CDnow,
N2K, Exit 8 Holding Company, a Pennsylvania corporation ("NewCo"), are entering
into an Agreement and Plan of Merger, dated as of the date hereof (the "Merger
Agreement"), pursuant to which, upon the terms and subject to the conditions
thereof, (i) a newly formed subsidiary of NewCo will be merged with and into
CDnow (the "CDnow Merger"), and (ii) a second newly formed subsidiary of Parent
will be merged with and into N2K (the "N2K Merger") such that N2K and CDnow will
become wholly-owned subsidiaries of NewCo and the stockholders of N2K and CDnow
become stockholders of NewCo; and

          WHEREAS, as a condition to the willingness of CDnow and N2K to enter
into the Merger Agreement and the Stock Option Agreements (as defined in the
Merger Agreement), N2K has requested the Shareholder agree, and in order to
induce N2K to enter into the Merger Agreement and the Stock Option Agreements,
the Shareholder is willing to agree, to vote in favor of adopting the Merger
Agreement and approving the CDnow Merger, upon the terms and subject to the
conditions set forth herein.

          NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants and agreements contained herein, and intending to be legally bound
hereby, the parties hereby agree, severally and not jointly, as follows:

     Section 1.     Voting of Shares.  Until the termination of this Agreement
                    ----------------                                          
in accordance with the terms hereof, Shareholder hereby agrees that, at the
CDnow Shareholders' Meeting or any other meeting of the shareholders of CDnow,
however called, and in any action by written consent of the stockholders of
CDnow, Shareholder will vote all of his respective Shares (a) in favor of
adoption of the Merger Agreement and approval of the CDnow Merger and the other
transactions contemplated by the Merger Agreement, and (b) in favor of any other
matter necessary to the consummation of the transactions contemplated by the
Merger Agreement and considered and voted upon by the shareholders of CDnow (or
any class thereof). In addition, 
<PAGE>
 
Shareholder agrees that he will, upon request by N2K, furnish written
confirmation, in form and substance reasonably satisfactory to N2K, of
Shareholder's support for the Merger Agreement and the CDnow Merger. Shareholder
acknowledges receipt and review of a copy of the Merger Agreement.

     Section 2.     Transfer of Shares.  Shareholder represents and warrants
                    ------------------                                      
that it will not, prior to the termination of this Agreement in accordance with
the terms hereof, to, directly or indirectly, (a) sell, assign, transfer
(including by merger, testamentary disposition, interspousal disposition
pursuant to a domestic relations proceeding or otherwise by operation of law),
pledge, encumber or otherwise dispose of any of his respective Shares, (b)
deposit any of his respective Shares into a voting trust or enter into a voting
agreement or arrangement with respect to his Shares or grant any proxy or power
of attorney with respect thereto which is inconsistent with this Agreement or
(c) enter into any contract, option or other arrangement or undertaking with
respect to the direct or indirect sale, assignment, transfer (including by
merger, testamentary disposition, interspousal disposition pursuant to a
domestic relations proceeding or otherwise by operation of law) or other
disposition of any Shares.

     Section 3.     No Solicitation.  Prior to the termination of this Agreement
                    ---------------                                             
in accordance with its terms, Shareholder agrees (a) that he will not, nor will
it authorize or permit any of his agents and representatives to, directly or
indirectly, initiate or solicit any inquiries or the making of any Acquisition
Proposal and (b) that it will notify N2K as soon as possible (and in any event
within 48 hours) if any such inquiries or proposals are received by, any
information or documents is requested from, or any negotiations or discussions
are sought to be initiated or continued with, it or any of its affiliates.

     Section 4.     Termination.  This Agreement shall terminate upon the
                    -----------                                          
earliest to occur of (i) the Effective Time or (ii) any termination of the
Merger Agreement in accordance with the terms thereof; provided that the
provisions of Section 6 shall survive any termination of this Agreement; and
provided, further, that no such termination shall relieve any party of liability
for a breach hereof prior to termination.

     Section 5.     Specific Performance.  The parties hereto agree that
                    --------------------                                
irreparable damage would occur in the event any provision of this Agreement was
not performed in accordance with the terms hereof and that the parties shall be
entitled to specific performance of the terms hereof, in addition to any other
remedy at law or in equity.

     Section 6.     Miscellaneous.
                    ------------- 

     (a) This Agreement constitutes the entire agreement between the parties
hereto with respect to the subject matter hereof and supersedes all prior
agreements and understandings, both written and oral, between the parties with
respect thereto. This Agreement may not be amended, modified or rescinded except
by an instrument in writing signed by each of the parties hereto.
<PAGE>
 
     (b) If any term or other provision of this Agreement is invalid, illegal or
incapable of being enforced by any rule of law, or public policy, all other
conditions and provisions of this Agreement shall nevertheless remain in full
force and effect. Upon such determination that any term or other provision is
invalid, illegal or incapable of being enforced, the parties hereto shall
negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible to the fullest extent permitted by
applicable law in a mutually acceptable manner in order that the terms of this
Agreement remain as originally contemplated to the fullest extent possible.

     (c) This Agreement shall be governed by and construed in accordance with
the laws of the State of Delaware without regard to the principles of conflicts
of law thereof.

     (d) Notwithstanding anything herein to the contrary, the covenants and
agreements set forth herein shall not prevent any of the Shareholder's
designees, partners or affiliates serving on the Board of Directors of CDnow
from taking any action, subject to the applicable provisions of the Merger
Agreement, while acting in such capacity as a director of CDnow.

     (e) The Shareholder shall be the only person or entity liable with respect
to his obligations. Any monetary liability of the Shareholder under this
Agreement shall be satisfied solely out of the assets of the Shareholder.
Nothing in this Section 6(e) shall prevent N2K from obtaining specific
enforcement of the obligations of the Shareholder under this Agreement.

     (f) This Agreement may be executed in counterparts, each of which shall be
deemed an original and all of which together shall constitute one and the same
instrument.
<PAGE>
 
          IN WITNESS WHEREOF, each of the parties hereto has caused this
Agreement to be signed by their respective duly authorized officers as of the
date first written above.
 

                                         /s/    Jason Olim
                                         _______________________________
                                         Jason Olim



Accepted and Agreed:

N2K Inc.


By:/s/  Jonathan V. Diamond
   ________________________
   Name:
   Title:
<PAGE>
 
                                  SCHEDULE A
                                      TO
                     SHAREHOLDER SUPPORT AGREEMENT (CDNOW)


<TABLE>
<CAPTION>

SHAREHOLDER                         COMMON STOCK OF CDNOW OWNED BY
- -----------                         ------------------------------
                                                       SHAREHOLDER
                                                       -----------
<S>                                <C>
Jason Olim                                               2,960,025
                                                         ---------
TOTAL:                                                   2,960,025

</TABLE>

<PAGE>
 
                                                                    Exhibit 10.4
 
                      STOCKHOLDER SUPPORT AGREEMENT (N2K)


          STOCKHOLDER SUPPORT AGREEMENT dated as of October 22, 1998 (this
"Agreement"), by Lawrence L. Rosen, Jonathan V. Diamond, R. David Grusin, Bruce
Johnson and James E. Coane (each a "Stockholder" and collectively the
"Stockholders"), to and for the benefit of CDnow, Inc., a Pennsylvania
corporation ("CDnow"). Capitalized terms used and not otherwise defined herein
shall have the respective meanings assigned to them in the Merger Agreement
referred to below.

          WHEREAS, as of the date hereof, each Stockholder owns of record and
beneficially such number of shares of common stock, par value $.001 per share
("N2K Common Stock"), of N2K Inc., a Delaware corporation ("N2K"), set forth
opposite such Stockholder's name on Schedule A hereto (such shares, together
with any other voting or equity securities of N2K hereafter acquired by such
Stockholder prior to the termination of this Agreement, being referred to herein
collectively as the "Shares");

          WHEREAS, concurrently with the execution of this Agreement, N2K, CDnow
and Exit 8 Holding Company, a Pennsylvania corporation ("NewCo"), are entering
into an Agreement and Plan of Merger, dated as of the date hereof (the "Merger
Agreement"), pursuant to which, upon the terms and subject to the conditions
thereof, (i) a newly formed subsidiary of NewCo will be merged with and into N2K
(the "N2K Merger"), and (ii) a second newly formed subsidiary of Parent will be
merged with and into CDnow (the "CDnow Merger") such that N2K and CDnow will
become wholly-owned subsidiaries of NewCo and the stockholders of N2K and CDnow
will become stockholders of NewCo; and

          WHEREAS, as a condition to the willingness of CDnow and N2K to enter
into the Merger Agreement and the Stock Option Agreements (as defined in the
Merger Agreement), CDnow has requested the Stockholders agree, and in order to
induce CDnow to enter into the Merger Agreement and the Stock Option Agreements,
the Stockholders are willing to agree, severally but not jointly, to vote in
favor of adopting the Merger Agreement and approving the N2K Merger, upon the
terms and subject to the conditions set forth herein.

          NOW, THEREFORE, in consideration of the foregoing and the mutual
covenants and agreements contained herein, and intending to be legally bound
hereby, the parties hereby agree, severally and not jointly, as follows:

          SECTION 1. VOTING OF SHARES. Until the termination of this Agreement
                     ----------------
in accordance with the terms hereof, each Stockholder hereby agrees that, at the
N2K Stockholders' Meeting or any other meeting of the stockholders of N2K,
however called, and in any action by written consent of the stockholders of N2K,
such Stockholder will vote all of its respective Shares (a) in favor of adoption
of the Merger Agreement and approval of the N2K Merger and the other
transactions contemplated by the Merger Agreement, and (b) in favor of any other
matter necessary to the consummation of the transactions contemplated by the
Merger Agreement
<PAGE>
 
and considered and voted upon by the stockholders of N2K (or any class thereof).
In addition, each Stockholder agrees that it will, upon request by CDnow,
furnish written confirmation, in form and substance reasonably satisfactory to
CDnow, of such Stockholder's support for the Merger Agreement and the N2K
Merger. Each Stockholder acknowledges receipt and review of a copy of the Merger
Agreement.

          SECTION 2. TRANSFER OF SHARES. Each Stockholder represents and
                     ------------------
warrants that it will not, prior to the termination of this Agreement in
accordance with the terms hereof, to, directly or indirectly, (a) sell, assign,
transfer (including by merger, testamentary disposition, interspousal
disposition pursuant to a domestic relations proceeding or otherwise by
operation of law), pledge, encumber or otherwise dispose of any of its
respective Shares, (b) deposit any of its respective Shares into a voting trust
or enter into a voting agreement or arrangement with respect to any such Shares
or grant any proxy or power of attorney with respect thereto which is
inconsistent with this Agreement or (c) enter into any contract, option or other
arrangement or undertaking with respect to the direct or indirect sale,
assignment, transfer (including by merger, testamentary disposition,
interspousal disposition pursuant to a domestic relations proceeding or
otherwise by operation of law) or other disposition of any Shares.

          SECTION 3. NO SOLICITATION. Prior to the termination of this Agreement
                     ---------------
in accordance with its terms, each Stockholder agrees (a) that it will not, nor
will it authorize or permit any of its officers, directors, employees, agents
and representatives to, directly or indirectly, initiate or solicit any
inquiries or the making of any Acquisition Proposal and (b) that it will notify
CDnow as soon as possible (and in any event within 48 hours) if any such
inquiries or proposals are received by, any information or documents is
requested from, or any negotiations or discussions are sought to be initiated or
continued with, it or any of its affiliates.

          SECTION 4. TERMINATION. This Agreement shall terminate upon the
                     -----------
earliest to occur of (i) the Effective Time, (ii) any termination of the Merger
Agreement in accordance with the terms thereof, or (iii) in the case of Messrs.
Johnson and Coane, upon the termination of their employment with N2K and the
termination of their membership on N2K's board of directors; provided that the
provisions of Section 6 shall survive any termination of this Agreement; and
provided, further, that no such termination shall relieve any party of liability
for a breach hereof prior to termination.

          SECTION 5. SPECIFIC PERFORMANCE. The parties hereto agree that
                     --------------------
irreparable damage would occur in the event any provision of this Agreement was
not performed in accordance with the terms hereof and that the parties shall be
entitled to specific performance of the terms hereof, in addition to any other
remedy at law or in equity.

          SECTION 6. MISCELLANEOUS.
                     -------------

               (a) This Agreement constitutes the entire agreement between the
parties hereto with respect to the subject matter hereof and supersedes all
prior agreements

                                       2
<PAGE>
 
and understandings, both written and oral, between the parties with respect
thereto. This Agreement may not be amended, modified or rescinded except by an
instrument in writing signed by each of the parties hereto.

               (b) If any term or other provision of this Agreement is invalid,
illegal or incapable of being enforced by any rule of law, or public policy, all
other conditions and provisions of this Agreement shall nevertheless remain in
full force and effect. Upon such determination that any term or other provision
is invalid, illegal or incapable of being enforced, the parties hereto shall
negotiate in good faith to modify this Agreement so as to effect the original
intent of the parties as closely as possible to the fullest extent permitted by
applicable law in a mutually acceptable manner in order that the terms of this
Agreement remain as originally contemplated to the fullest extent possible.

               (c) This Agreement shall be governed by and construed in
accordance with the laws of the State of Delaware without regard to the
principles of conflicts of law thereof.

               (d) Notwithstanding anything herein to the contrary, the
covenants and agreements set forth herein shall not prevent any of the
Stockholders' designees, partners or affiliates serving on the Board of
Directors of N2K from taking any action, subject to the applicable provisions of
the Merger Agreement, while acting in such capacity as a director of N2K.

               (e) Notwithstanding any provisions hereof, none of the
obligations of any Stockholder under or contemplated by this Agreement shall be
an obligation of (i) any officer, director, stockholder, limited partner,
general partner or owner of such Stockholder, or any of their respective
officers, directors, stockholders, limited partners, general partners or owners,
or successors or assigns or (ii) any other Stockholder. Each Stockholder shall
be the only person or entity liable with respect to its obligations. Any
monetary liability of a Stockholder under this Agreement shall be satisfied
solely out of the assets of such Stockholder. Each Stockholder hereby
irrevocably waives any right it may have against any such officer, director,
stockholder, limited partner, general partner, owner, successor or assign
identified above as a result of the performance of the provisions under or
contemplated by this Agreement. Nothing in this Section 6(e) shall prevent CDnow
from obtaining specific enforcement of the obligations of any Stockholder under
this Agreement.

               (f) This Agreement may be executed in counterparts, each of which
shall be deemed an original and all of which together shall constitute one and
the same instrument.

                                       3
<PAGE>
 
                         IN WITNESS WHEREOF, each of the parties hereto has
caused this Agreement to be signed by their respective duly authorized officers
as of the date first written above.
                                   /s/ Lawrence L. Rosen
                                   _________________________
                                   LAWRENCE L. ROSEN
                                   /s/ Jonathan V. Diamond
                                   _________________________
                                   JONATHAN V. DIAMOND
                                   /s/ R. David Grusin
                                   _________________________ 
                                   R. DAVID GRUSIN

Accepted and Agreed:

CDNOW, INC.



By:/s/  Jason Olim
   _______________________

      Name:

      Title:

                                       4
<PAGE>
 
                    IN WITNESS WHEREOF, each of the parties hereto has caused
this Agreement to be signed by their respective duly authorized officers as of
the date first written above.
                                   /s/ Bruce Johnson
                                   __________________________
                                   BRUCE  JOHNSON
                                   /s/ James E. Coane
                                   __________________________
                                   JAMES E. COANE





Accepted and Agreed:

CDNOW, INC.




By:/s/  Jason Olim
   _______________________

      Name:

      Title:

                                       5
<PAGE>
 
                                  SCHEDULE A
                                      TO
                      STOCKHOLDER SUPPORT AGREEMENT (N2K)



<TABLE>
<CAPTION>

STOCKHOLDER                               COMMON STOCK OF N2K OWNED BY
- -----------                               ----------------------------
                                                           STOCKHOLDER
                                                           -----------
<S>                                       <C>
James E. Coane                                                 100,000
Jonathan V. Diamond                                            799,526
R. David Grusin                                                704,420
Bruce Johnson                                                   34,275
Lawrence L. Rosen                                              723,650
                                                             ---------
TOTAL:                                                       2,361,871

PERCENTAGE OF COMMON STOCK OUTSTANDING
 AS OF OCTOBER 22, 1998:                                         16.62%
 
</TABLE>

<PAGE>
 
                                                                    Exhibit 99.1


                              CONTACTS:  N2K Inc
                                         Paula Batson
                                         Senior Vice President
                                         212-378-0331

                                         CDnow, Inc.
                                         Marlo Zoda
                                         Public Relations Manager
                                         215-517-7325, x432
FOR IMMEDIATE RELEASE
- ---------------------
                                         Morgen- Walke Associates
                                         Andrea Kaimowitz/
                                         Katherine Mittelbusher (Investors)
                                         212-850-5634
                                         Lee Foley/Evan Goetz (Media)
                                         212-850-5613

                 N2K INC. AND CDNOW, INC. ANNOUNCE MERGER PLANS

     TWO COMPANIES JOIN FORCES TO CREATE PRE-EMINENT ONLINE MUSIC PROVIDER

JENKINTOWN, Pa. and NEW YORK, N.Y., October 23,1998 -- CDnow, Inc. (Nasdaq:
CDNW) and N2K Inc. (Nasdaq: NTKI) today jointly announced the signing of a
definitive merger agreement.  The strategic merger will create a leader in e-
commerce, as measured by customer base, market share, transactions, positioning
with key partners and breadth of offerings.

     Management estimates the combined company will have approximately 1.2
million customers.  Combined pro forma net sales were in excess of $75 million
for the trailing 12 months ended September 30, 1998.  According to the most
recent estimate by Media Metrix, the leading Internet audience measurement
company, the combined entity would rank #3 among online retailers.  The newly
united company will offer approximately 500,000 items, by far the largest
selection of music products available to consumers.

     The merger will be effected through the formation of a new publicly traded
company, initially to be called CDnow/N2K Inc.  Existing N2K shareholders will
receive 0.83 shares of common stock in the new company for each N2K share they
own, and existing CDnow shareholders will receive 1.00 share of common stock in
the new company for each CDnow share, in a tax-free exchange.  The combined
company will have an equity market capitalization of approximately $250 million,
based on October 22, 1998 closing prices.  The merger is 
<PAGE>
 
expected to be completed by early 1999, subject to approval by the shareholders
of both companies, regulatory approval and other customary ten-ns and
conditions.

     By joining forces and combining platforms, the two online music pioneers
will be able to focus their full resources on maximizing the opportunities of a
rapidly growing market.  The domestic online music market, which is expected to
be $4.5 billion in 2002 as estimated by Forrester Research, is one of the
leading categories of electronic commerce.  The companies expect the merger to
produce substantial economies and operating leverage through the integration of
their organizations, technologies and distribution channels, as well as greater
efficiencies from marketing a single brand that should be reflected in decreased
customer acquisition costs.  Combining both sites offers the potential for
higher traffic and, consequently, a more attractive alternative for advertisers.

     Greater critical mass also should allow the new company to enhance the
effectiveness of its alliances with major portals, traditional media partners,
Internet service providers, lifestyle sites and communities of grassroots
affiliates.  Among the companies' strategic partners are AOL, Yahoo!, Netscape,
MTV/VH1, Excite, Lycos/Tripod, GeoCities, and CBS Cable's TNN, CMT and
country.com.

     Jon Diamond, co-founder and Vice Chairman of N2K, will be Chairman of the
new entity.  Jason Olim, President and Chief Executive Officer of CDnow, will be
President and Chief Executive Officer of the merged company.  N2K co-founder,
Chairman and CEO Larry Rosen will become a member of the new Board of Directors,
which will consist of four members from CDnow, three from N2K and two new
members to be selected jointly.

     Mr. Diamond commented, "The merger of CDnow and N2K unites the two leading
brands in online music, creating the most powerful franchise in our marketplace,
and one of the clear leaders among Internet companies.  Our respective companies
are coming together at a uniquely opportune time, having already made the
necessary investments to develop solid technology platforms, key alliances, and
organizations of talented executives and relationships of trust with music
consumers.  This is a 'win/win' providing consumers with a truly superior music
experience online and enhancing the value of the companies."

     Mr. Olim noted, "The unity of the two companies is powerful on all levels:
strategic, tactical and financial.  Strategically, with our combined alliances
we achieve a ubiquitous position online.  Tactically, the combined company will
enjoy broad leadership in the most popular musical genres -- Jazz, Classical,
Country and Rock/Pop -- which is but one example of the complimentary nature of
this merger.  Perhaps most importantly, the merger creates opportunities for
major cost reductions and new efficiencies that will be of benefit to our
shareholders."

     Mr. Rosen stated, "When we founded N2K, it was with a vision of using the
power of the Internet to connect consumers directly to music in a unique
combination of commerce, content 
<PAGE>
 
and community. The merger with CDnow allows us to realize that vision, and
positions the company for the exciting opportunities of a digital future. I am
confident that Jon and Jason will provide the leadership to shape the rapid
growth of the digital connection between music and consumers."

     The financial advisers to N2K and CDnow are Allen & Company Incorporated
and BT Alex.  Brown Incorporated, respectively.  N2K also was advised by
PaineWebber Incorporated.

ABOUT CDNOW
     CDnow, Inc. (cdnow.com), the Internet's number one music store, offers more
than 300,000 music related items - ten times the size of the average music
store.  Founded in 1994 by twin brothers Jason and Matthew Olim, CDnow is
building a better music store through intelligent album recommendations, custom
CDs, music samples, a vast library of reviews and features from top music
writers and exclusive editorial content from Rolling Stone Network, MTV/VH1 and
CMJ New Music Monthly.  CDnow is the premier online music store on Yahoo!,
Lycos, Lycos-Bertelsmann, Webcrawler, Tripod, GeoCities, MTV/VH1, Rolling Stone
Network, and CBS.com.

ABOUT N2K INC.
     N2K's Music Boulevard is the world's largest online superstore as measured
by number of titles, and a complete resource for music content, community and
commerce.  The Music Boulevard Network, the online division of N2K Inc.,
combines Music Boulevard and the award-winning music channels: Rocktropolis,
Jazz Central Station, Classical Insites and the Star Sites including Stones
World and the official sites for Leonard Bernstein and Miles Davis.  Music
Boulevard (http://www.musicblvd.com) offers a choice of more than 470,000 music
titles and over 350,000 sound samples.  The Music Boulevard Network is the
preferred or exclusive music partner for America Online (AOL Keyword: MB), AOL
Japan, AOL Europe, Netscape, Excite, Disney.com, ABC.com, ABC Radio Networks,
Infoseek, Ticketmaster, iVillage, AT&T WorldNet, StarMedia, iQVC, CBS Cable's
TNN, CMT and country.com and MTV International sites in Europe, Japan, Asia and
Brazil.

     Information contained in this release with respect to the expected
financial impact of the proposed merger is forward-looking.  These statements
represent the companies' reasonable judgment with respect to future events and
are subject to risks and uncertainties that could cause actual results to differ
materially.  Such factors include: materially adverse changes in economic
conditions in the markets served by the companies; substantial delay in the
expected closing of the merger; unexpected costs in connection with the
combination; and inability to achieve the expected synergies of the combined
operations.

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