UNITED STATES
                     SECURITIES AND EXCHANGE COMMISSION 
                           WASHINGTON, D.C. 20549 

                                   F O R M 10-Q/A
                                 (Amendment No. 1)


/X/  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
     EXCHANGE ACT OF 1934
     For the quarterly period ended June 30, 2004

     OR

/ /  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
     EXCHANGE ACT OF 1934
     For the transition period from _____ to _____


Commission File Number 0-20421


                             LIBERTY MEDIA CORPORATION
             ------------------------------------------------------
             (Exact name of Registrant as specified in its charter)


        State of Delaware                                84-1288730
  -------------------------------          ------------------------------------
  (State or other jurisdiction of          (I.R.S. Employer Identification No.)
  incorporation or organization)

       12300 Liberty Boulevard
        Englewood, Colorado                                   80112
 ----------------------------------------                   ----------
 (Address of principal executive offices)                   (Zip Code)

         Registrant's telephone number, including area code: (720) 875-5400

     Indicate by check mark whether the Registrant (1) has filed all reports 
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 
1934 during the preceding 12 months and (2) has been subject to such filing 
requirements for the past 90 days.  Yes X   No
                                       ---

     Indicate by check mark whether the Registrant is an accelerated filer as 
defined in Rule 12b-2 of the Exchange Act.  Yes  X    No
                                                ---

     The number of outstanding shares of Liberty Media Corporation's common 
stock as of July 30, 2004 was:

                   Series A common stock 2,678,090,793 shares; and
                       Series B common stock 121,062,825 shares.






                                       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 thereunto duly authorized.

                                             LIBERTY MEDIA CORPORATION


Date: December 10, 2004                  By: /s/ Christopher W. Shean
                                            ------------------------
                                                 Christopher W. Shean
                                                  Senior Vice President
                                                  and Controller
                                                  (Principal Accounting Officer)






                                      LIBERTY MEDIA CORPORATION



PART II - OTHER INFORMATION


ITEM 2.  CHANGES IN SECURITIES

         Effective May 7, 2004, Liberty issued 23,474 shares of its Series A 
common stock, valued at $260,350, to former stockholders of Liberty Webhouse, 
Inc. ("Liberty Webhouse"), as consideration for their 186 shares of preferred 
stock of Liberty Webhouse, pursuant to the merger of a wholly-owned 
subsidiary of Liberty with and into Liberty Webhouse.  The issuance was made 
in reliance on the exemption from registration afforded by Regulation D 
promulgated under Section 4(2) of the Securities Act of 1933, as amended, 
which provides an exemption for issuances not involving a public offering.

ITEM 4.  SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

         At the Company's annual meeting of stockholders held on June 9, 
2004, the following matters were voted upon and approved by the stockholders 
of the Company:

         Election of the following to the Company's Board of Directors:




                                 Votes for             Votes withheld
                                 ---------             --------------
                                                 
         Robert R. Bennett     3,332,180,287             375,491,926
         Paul A. Gould         3,651,056,092              56,616,121
         John C. Malone        3,330,879,469             376,792,744



         The foregoing nominees also served on our board of directors prior 
to the annual meeting.  The term of the following directors continued 
following the annual meeting:  Donne F. Fisher, Gary S. Howard, David E. 
Rapley, M. LaVoy Robison and Larry E. Romrell.  Broker non-votes had no 
effect on voting for the election of directors, and abstentions have been 
treated as votes withheld.

         Approval of the Liberty Media Corporation 2000 Incentive Plan (As 
Amended and Restated Effective April 19, 2004) (3,077,565,159 votes For; 
621,832,543 votes Against (including broker non-votes); and 8,274,511 
Abstentions).

         Ratification of KPMG LLP as the Company's independent auditors for 
the fiscal year ended December 31, 2004 (3,571,584,463 votes For; 132,546,650 
votes Against; and 3,541,100 Abstentions). There were no broker non-votes 
with respect to this proposal.

                                       II-1



ITEM 6.  EXHIBITS AND REPORTS ON FORM 8-K.

         (a) Exhibits 

             31.1   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
             31.2   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
             31.3   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
             32     Section 1350 Certification, previously filed.

         (b) Reports on Form 8-K filed during the quarter ended June 30, 2004:



                      Date               Item             Financial
               filed or furnished      reported       statements filed
               ------------------      --------       ----------------
                                                
           May 10, 2004*                Item 12             None.


------------
* These Reports on Form 8-K or portions of these Reports on Form 8-K were 
"furnished" to the Securities and Exchange Commission, and are not to be 
deemed (1) "filed" for purposes of Section 18 of the Securities Exchange Act 
of 1934, as amended, or otherwise subject to the liabilities of that Section 
or (2) incorporated by reference into any filing by Liberty under the Securities
Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.


                                       II-2



                                       EXHIBIT INDEX

Listed below are the exhibits which are filed as a part of this Report 
(according to the number assigned to them in Item 601 of Regulation S-K):

31.1   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
31.2   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
31.3   Rule 13a-14(a)/15d-14(a) Certification, filed herewith.
32     Section 1350 Certification, previously filed.