Apple iTunes September 23, 2004
LoudEye September 25, 2004
MusicNet September 25, 2004
DigiPie November 6, 2004
RuleRadio November 20, 2004
Napster December 3, 2004
MP3tunes December 14, 2004
MusicNow January 27, 2005
iSound February 14, 2005
Etherstream April 6, 2005
Emusic April 6, 2005
MusicMatch May 4, 2005
Rhapsody May 31, 2005
Sony Connect June 7, 2005
MSN Music June 7, 2005
NetMusic June 8, 2005
BuyMusic June 21, 2005
Bitmunk June 22, 2005