Millions know their voices, but no one knows their names. In the soundtrack for Morgan Neville's acclaimed film, Twenty Feet From Stardom, you'll hear the voices responsible for our greatest classics.

Everything from the spine-chilling vocal behind The Rolling Stones' "Gimme Shelter" to the soulful chorus in David Bowie's "Young Americans" to an original song called "Desperation" by The Voice alum Judith Hill - is all encapsulated in this 13-track album, available on iTunes now. Download it at http://smarturl.it/20FtSoundtrack.