| 
               Liberty
      Media Corporation 
             | 
          
| 
               (Name
      of Issuer) 
               | 
          
| 
               Series
      A Liberty Capital Common Stock 
             | 
          
| 
               (Title
      of Class of Securities) 
               | 
          
| 
               53071M302 
             | 
          
| 
               (CUSIP
      Number) 
               | 
          
| 
               December
      31, 2006 
             | 
          
| 
               (Date
      of Event which Requires Filing of this
  Statement) 
             | 
          
| 
                 o 
               | 
              
                 Rule
      13d-1(b) 
               | 
            |
| 
                 o 
               | 
              
                 Rule
      13d-1(c) 
               | 
            |
| 
                 x 
               | 
              
                 Rule
      13d-1(d) 
               | 
            
| CUSIP No. 53071M302 | 
                      13G 
                   | 
                  
                     | 
                
| 
                     1 
                   | 
                  
                     NAME
      OF REPORTING PERSONS 
                       
                  I.R.S.
      IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
                      Comcast
      QVC, Inc. 
                       | 
                  |
| 
                     2 
                   | 
                  
                     CHECK
      THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
                    (a)
       
                    (b)
       
                   | 
                  
                     o 
                    x 
                   | 
                
| 
                     3 
                   | 
                  
                     SEC
      USE ONLY 
                     | 
                  |
| 
                     4 
                   | 
                  
                     CITIZENSHIP
      OR PLACE OF ORGANIZATION 
                    Delaware 
                     | 
                  
| 
                     NUMBER
      OF SHARES 
                    BENEFICIALLY
      OWNED BY 
                    EACH
      REPORTING PERSON 
                    WITH 
                   | 
                  
                     5 
                   | 
                  
                     SOLE
      VOTING POWER 
                    -0- 
                       | 
                
| 
                     6 
                   | 
                  
                     SHARED
      VOTING POWER 
                    5,000,000 
                   | 
                |
| 
                     7  
                   | 
                  
                     SOLE
      DISPOSITIVE POWER 
                    -0- 
                       | 
                |
| 
                     8 
                   | 
                  
                     SHARED
      DISPOSITIVE POWER 
                    5,000,000 
                     | 
                
| 
                     9 
                   | 
                  
                     AGGREGATE
      AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
                    5,000,000 
                       | 
                  |
| 
                     10 
                   | 
                  
                     CHECK
      BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES 
                     | 
                  
                     o 
                   | 
                
| 
                     11 
                   | 
                  
                     PERCENT
      OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
                    5.5% 
                   | 
                  |
| 
                     12 
                   | 
                  
                     TYPE
      OF REPORTING PERSON 
                    CO 
                   | 
                  
| CUSIP No. 53071M302 | 
                      13G 
                   | 
                  
                     | 
                
| 
                     1 
                   | 
                  
                     NAME
      OF REPORTING PERSONS 
                       
                  I.R.S.
      IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
                      Comcast
      Programming Holdings, Inc. 
                         | 
                  |
| 
                     2 
                   | 
                  
                     CHECK
      THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
                    (a)
       
                    (b)
       
                   | 
                  
                     o 
                    x 
                   | 
                
| 
                     3 
                   | 
                  
                     SEC
      USE ONLY 
                     | 
                  |
| 
                     4 
                   | 
                  
                     CITIZENSHIP
      OR PLACE OF ORGANIZATION 
                    Delaware 
                       | 
                  
| 
                     NUMBER
      OF SHARES 
                    BENEFICIALLY
      OWNED BY 
                    EACH
      REPORTING PERSON 
                    WITH 
                   | 
                  
                     5 
                   | 
                  
                     SOLE
      VOTING POWER 
                    -0- 
                       | 
                
| 
                     6 
                   | 
                  
                     SHARED
      VOTING POWER 
                    5,000,000 
                   | 
                |
| 
                     7  
                   | 
                  
                     SOLE
      DISPOSITIVE POWER 
                    -0- 
                     | 
                |
| 
                     8 
                   | 
                  
                     SHARED
      DISPOSITIVE POWER 
                    5,000,000 
                     | 
                
| 
                     9 
                   | 
                  
                     AGGREGATE
      AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
                    5,000,000 
                     | 
                  |
| 
                     10 
                   | 
                  
                     CHECK
      BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES 
                     | 
                  
                     o 
                   | 
                
| 
                     11 
                   | 
                  
                     PERCENT
      OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
                    5.5% 
                   | 
                  |
| 
                     12 
                   | 
                  
                     TYPE
      OF REPORTING PERSON 
                    CO 
                   | 
                  
| CUSIP No. 53071M302 | 
                          13G 
                       | 
                      
                         | 
                    
| 
                         1 
                       | 
                      
                         NAME
      OF REPORTING PERSONS 
                           
                      I.R.S.
      IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
                          Comcast
      Holdings Corporation 
                                 | 
                      |
| 
                         2 
                       | 
                      
                         CHECK
      THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
                        (a)
       
                        (b)
       
                       | 
                      
                         o 
                        x 
                       | 
                    
| 
                         3 
                       | 
                      
                         SEC
      USE ONLY 
                         | 
                      |
| 
                         4 
                       | 
                      
                         CITIZENSHIP
      OR PLACE OF ORGANIZATION 
                        Pennsylvania 
                           | 
                      
| 
                         NUMBER
      OF SHARES 
                        BENEFICIALLY
      OWNED BY 
                        EACH
      REPORTING PERSON 
                        WITH 
                       | 
                      
                         5 
                       | 
                      
                         SOLE
      VOTING POWER 
                        -0- 
                           | 
                    
| 
                         6 
                       | 
                      
                         SHARED
      VOTING POWER 
                        5,000,000 
                         | 
                    |
| 
                         7  
                       | 
                      
                         SOLE
      DISPOSITIVE POWER 
                        -0- 
                           | 
                    |
| 
                         8 
                       | 
                      
                         SHARED
      DISPOSITIVE POWER 
                        5,000,000 
                         | 
                    
| 
                         9 
                       | 
                      
                         AGGREGATE
      AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
                        5,000,000 
                             | 
                      |
| 
                         10 
                       | 
                      
                         CHECK
      BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES 
                         | 
                      
                         o 
                       | 
                    
| 
                         11 
                       | 
                      
                         PERCENT
      OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
                        5.5% 
                       | 
                      |
| 
                         12 
                       | 
                      
                         TYPE
      OF REPORTING PERSON 
                        CO 
                       | 
                      
| CUSIP No. 53071M302 | 
                        13G 
                     | 
                    
                       | 
                  
| 
                       1 
                     | 
                    
                       NAME
      OF REPORTING PERSONS 
                         
                    I.R.S.
      IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) 
                        Comcast
      Corporation 
                                 | 
                    |
| 
                       2 
                     | 
                    
                       CHECK
      THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
                      (a)
       
                      (b)
       
                     | 
                    
                       o 
                      x 
                     | 
                  
| 
                       3 
                     | 
                    
                       SEC
      USE ONLY 
                       | 
                    |
| 
                       4 
                     | 
                    
                       CITIZENSHIP
      OR PLACE OF ORGANIZATION 
                      Pennsylvania 
                           | 
                    
| 
                       NUMBER
      OF SHARES 
                      BENEFICIALLY
      OWNED BY 
                      EACH
      REPORTING PERSON 
                      WITH 
                     | 
                    
                       5 
                     | 
                    
                       SOLE
      VOTING POWER 
                      -0- 
                       | 
                  
| 
                       6 
                     | 
                    
                       SHARED
      VOTING POWER 
                      5,000,000 
                       | 
                  |
| 
                       7  
                     | 
                    
                       SOLE
      DISPOSITIVE POWER 
                      -0- 
                         | 
                  |
| 
                       8 
                     | 
                    
                       SHARED
      DISPOSITIVE POWER 
                      5,000,000 
                       | 
                  
| 
                       9 
                     | 
                    
                       AGGREGATE
      AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
                      5,000,000 
                       | 
                    |
| 
                       10 
                     | 
                    
                       CHECK
      BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
SHARES 
                       | 
                    
                       o 
                     | 
                  
| 
                       11 
                     | 
                    
                       PERCENT
      OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
                      5.5% 
                     | 
                    |
| 
                       12 
                     | 
                    
                       TYPE
      OF REPORTING PERSON 
                      CO 
                     | 
                    
| 
               Item
      3. 
             | 
            
               If
      this Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c),
      Check Whether the Person Filing is
a: 
             | 
          
| 
               (a) 
             | 
            
               o 
             | 
            
               Broker
      or dealer registered under Section 15 of the Exchange
  Act; 
             | 
          
| 
               (b) 
             | 
            
               o 
             | 
            
               Bank
      as defined in Section 3(a)(6) of the Exchange
  Act; 
             | 
          
| 
               (c) 
             | 
            
               o 
             | 
            
               Insurance
      company as defined in Section 3(a)(19) of the Exchange
  Act; 
             | 
          
| 
               (d) 
             | 
            
               o 
             | 
            
               Investment
      company registered under Section 8 of the Investment Company
      Act; 
             | 
          
| 
               (e) 
             | 
            
               o 
             | 
            
               An
      investment adviser in accordance with Rule
    13d-1(b)(1)(ii)(E); 
             | 
          
| 
               (f) 
             | 
            
               o 
               | 
            
               An
      employee benefit plan or endowment fund in accordance with Rule
      13d-1(b)(1)(ii)(F); 
             | 
          
| 
               (g) 
             | 
            
               o 
               | 
            
               A
      parent holding company or control person in accordance with Rule
      13d-1(b)(1)(ii)(G); 
             | 
          
| 
               (h) 
             | 
            
               o 
               | 
            
               A
      savings association as defined in Section 3(b) of the Federal Deposit
      Insurance Act; 
             | 
          
| 
               (i) 
             | 
            
               o 
               | 
            
               A
      church plan that is excluded from the definition of an investment company
      under Section 3(c)(14) of the Investment Company
  Act; 
             | 
          
| 
               (j) 
             | 
            
               o 
               | 
            
               Group,
      in accordance with Rule
13d-1(b)(1)(ii)(J). 
             | 
          
| 
               Item
      4. 
             | 
            
               Ownership. 
             | 
          
| 
               | 
            
               (a) 
             | 
            
               Amount
      beneficially owned: 5,000,000 
             | 
          
| 
               | 
            
               (b) 
             | 
            
               Percent
      of class:  5.5% (1) 
             | 
          
| 
               | 
            
               (c) 
             | 
            
               Number
      of shares as to which such person
has: 
             | 
          
| 
               | 
            
               (i)Sole
      power to vote or to direct the
  vote:  -0- 
             | 
          
| 
               | 
            
               (ii)Shared
      power to vote or to direct the
  vote:  5,000,000 
             | 
          
| 
               | 
            
               (iii)Sole
      power to dispose or to direct the disposition
      of:  -0- 
             | 
          
| 
               | 
            
               (iv)Shared
      power to dispose or to direct the disposition of:
  5,000,000 
             | 
          
| 
               | 
            
               (1)
      Based on 91,618,446 shares of Series A Liberty Capital Common Stock
      outstanding as of October 31, 2008, as reported on Liberty Media
      Corporation’s Form 10-Q for the quarterly period ended September 30,
      2008. 
             | 
          
| 
               Item
      5. 
             | 
            
               Ownership
      of Five Percent or Less of a Class. 
             | 
          
| 
               Item
      6. 
             | 
            
               Ownership
      of More than Five Percent on Behalf of Another
  Person. 
             | 
          
| 
               Item
      7. 
             | 
            
               Identification
      and Classification of the Subsidiaries Which Acquired the Security Being
      Reported on by the Parent Holding
Company. 
             | 
          
| 
               Item
      8. 
             | 
            
               Identification
      and Classification of Members of the
Group. 
             | 
          
| 
               Item
      9. 
             | 
            
               Notice
      of Dissolution of Group. 
             | 
          
| 
               Item
      10. 
             | 
            
               Certifications. 
             | 
          
| 
               COMCAST
      QVC, INC. 
             | 
            |||
| 
               By: 
             | 
            
               /s/
      James P. McCue 
             | 
            ||
| 
               Name: 
             | 
            
               James
      P. McCue 
             | 
            ||
| 
               Title: 
             | 
            
               President 
             | 
            ||
| 
               COMCAST
      PROGRAMMING HOLDINGS, INC. 
             | 
            |||
| 
               By: 
             | 
            
               /s/
      James P. McCue 
             | 
            ||
| 
               Name: 
             | 
            
               James
      P. McCue 
             | 
            ||
| 
               Title: 
             | 
            
               President 
             | 
            ||
| 
               COMCAST
      HOLDINGS CORPORATION 
             | 
            |||
| 
               By: 
             | 
            
               /s/
      Arthur R. Block 
             | 
            ||
| 
               Name: 
             | 
            
               Arthur
      R. Block 
             | 
            ||
| 
               Title: 
             | 
            
               Senior
      Vice President and General Counsel 
             | 
            ||
| 
               COMCAST
      CORPORATION 
             | 
            |||
| 
               By: 
             | 
            
               /s/
      Arthur R. Block 
             | 
            ||
| 
               Name: 
             | 
            
               Arthur
      R. Block 
             | 
            ||
| 
               Title: 
             | 
            
               Senior
      Vice President and General Counsel 
             | 
            ||
| 
                   COMCAST
      QVC, INC. 
                 | 
                |||
| 
                   By: 
                 | 
                
                   /s/
      James P. McCue 
                 | 
                ||
| 
                   Name: 
                 | 
                
                   James
      P. McCue 
                 | 
                ||
| 
                   Title: 
                 | 
                
                   President 
                 | 
                ||
| 
                   COMCAST
      PROGRAMMING HOLDINGS, INC. 
                 | 
                |||
| 
                   By: 
                 | 
                
                   /s/
      James P. McCue 
                 | 
                ||
| 
                   Name: 
                 | 
                
                   James
      P. McCue 
                 | 
                ||
| 
                   Title: 
                 | 
                
                   President 
                 | 
                ||
| 
                   COMCAST
      HOLDINGS CORPORATION 
                 | 
                |||
| 
                   By: 
                 | 
                
                   /s/
      Arthur R. Block 
                 | 
                ||
| 
                   Name: 
                 | 
                
                   Arthur
      R. Block 
                 | 
                ||
| 
                   Title: 
                 | 
                
                   Senior
      Vice President and General Counsel 
                 | 
                ||
| 
                   COMCAST
      CORPORATION 
                 | 
                |||
| 
                   By: 
                 | 
                
                   /s/
      Arthur R. Block 
                 | 
                ||
| 
                   Name: 
                 | 
                
                   Arthur
      R. Block 
                 | 
                ||
| 
                   Title: 
                 | 
                
                   Senior
      Vice President and General Counsel 
                 | 
                ||