"In Restless Dreams" is the definitive musical biography of Paul Simon, one of the greatest songwriters and performers in the history of rock 'n roll. Granted unprecedented access to the making of his latest album, "Seven Psalms," the filmmakers also reveal never-before-seen footage of Simon's extraordinary career, from the formation and breakup of Simon & Garfunkel to the phenomenal global success of Simon's solo album "Graceland."