They are the voices behind the greatest rock, pop and R & B hits of all time, but no one knows their names. Now, in this award-winning documentary, director Morgan Neville shines the spotlight on the untold stories of such legendary background (backup) singers as Darlene Love, Merry Clayton, Lisa Fischer, Judith Hill, and more. Includes behind-the-scenes footage, vintage live performances, and interviews with Bruce Springsteen, Sting, Mick Jagger,...