Billy Preston was a prodigy. By age 9, he'd mastered the Hammond Organ. At 10, he performed with Nat King Cole and recorded with Mahalia Jackson. At 15, Little Richard took him on a European Tour. In the late '60s, Billy joined The Beatles on their farewell rooftop concert and was the only artist ever to share a songwriting credit with the rockers. In the early '70s, he regularly toured with the Rolling Stones. And his greatest fame came on his own, with a slew of popular hits including 'Nothin' From Nothin',' 'Will it Go Round in Circles,' 'You Are So Beautiful' and 'With You I'm Born Again.'But the joy Billy shared in his music was masking a deep sadness. Burying a dark childhood secret behind drugs and alcohol, Billy deteriorated throughout the '80s and '90s, ultimately ending up in prison. For the first time, Billy's closest friends and family open up about the torment that drove a musical genius to ruins and a painful, early end.