January 29, 2008

Exhibit 58

January 29, 2008

VIA FACSIMILE TRANSMISSION AND E-MAIL

Liberty Media Corporation
BDTV INC.
BDTV II INC.
BDTV III INC.
BDTV IV INC.
c/o Xxxxxxx X. Xxxxxx
Liberty Media Corporation
00000 Xxxxxxx Xxxxxxxxx
Xxxxxxxxx, XX 00000
Facsimile No.: (000) 000-0000
Email: xxx@xxxxxxxxxxxx.xxx

Gentlemen:

     Reference is made to Section 3 of the Joint Filing Agreement, dated as of August 19, 2005, by and among Liberty Media Corporation, a Delaware corporation, the undersigned, BDTV INC., a Delaware corporation, BDTV II INC., a Delaware corporation, BDTV III INC., a Delaware corporation, and BDTV IV INC., a Delaware corporation (the “Joint Filing Agreement”).

     Notice is hereby given, pursuant to Section 4 of the Joint Filing Agreement, that the Joint Filing Agreement is terminated, effective immediately.

XXXXX XXXXXX

/s/ Xxxxx Xxxxxx

cc:      Xxxxxxxxx X. (“Buzz”) XxXxxxx, Esq. 
          Xxxxxx X. Xxxxxx, Esq.