In 2008, singer Brian Johnson told Reuters: "Maybe I'm just being old-fashioned, but this iTunes, God bless 'em, it's going to kill music if they're not careful."
Two years ago Apple struck a deal with The Beatles' record label, EMI Group, and management company, and began selling the group's music.
Kid Rock, who had also been against selling his music through the digital retailer, is releasing a new album, Rebel Soul and it will be available on iTunes.