Elvis Presley grew up to become the biggest star in music, thanks to a staggering range of influences that created a revolutionary sound in his lifelong search for self-expression. This two-part documentary reveals his creative journey from childhood in Tupolo, Miss., through his final recording sessions in 1976. It features more than 20 new, primary source interviews with session players, producers, engineers, directors and other artists who knew him or who were profoundly influenced by him. It also features never-before-seen photos and footage from private collections worldwide, and an original score by Pearl Jam lead guitarist Mike McCready.