Bassist James Jamerson was the embodiment of the Motown spirit and groove - the invisible entity whose playing inspired thousands. His tumultuous life and musical brilliance are explored in depth through hundreds of interviews, 49 transcribed musical scores, two hours of recorded all-star performances, and more than 50 rarely seen photos in this stellar tribute to behind-the-scenes Motown. Features a 120-minute CD!Allan Slutsky's 2002 documentary of the same name is the winner of the New York Film Critics "Best Documentary of the Year" award!