Cast (9)
Elvis CostelloSelf - MusicianLes PaulSelf - Musician
Erykah BaduSelf - Musician
Bonnie RaittSelf - Musician
Branford MarsalisSelf - Musician
Eric ClaptonSelf - Musician
Dave MatthewsSelf - Musician
QuestloveSelf - Musician: The Roots (as Questlove)
Forest WhitakerSelf - Narrator (voice)