 Prior to the release of Guitar Hero III : Legends of Rock , Activision worked with the iTunes Store to provide more than 1300 tracks of Guitar Hero @-@ related music across more than 20 compilations , including most of the tracks from the games in the series , called " Guitar Hero Essentials " . These compilations , such as " Killer Guitar Solos " and " Guitar Anthems of the ' 80s " , include songs related to but not contained within the Guitar Hero series . Dusty Welch of RedOctane stated , " Where there ’ s music , there ’ s Guitar Hero , and with iTunes , we are able to provide fans with a central location for downloading their favorite rock anthems . " Following the merger of Activision and Blizzard , the new company announced that it planned on creating an alternative to iTunes based on the Guitar Hero brand that would allow for downloading songs and their associated note tracks for the Guitar Hero games . 
