Credits

Frank Zappa: Guitar, Producer, Piano, Vocals, Editing, Orchestral Supervisor
Eric Clapton: Backing Vocals
Jimmy Carl Black: Drums, Trumpet, Vocals
Gary Kellgren: Engineer, Backing Vocals
Tom Wilson: Executive Producer
Cal Schenkel: Artwork, Design
Ian Underwood: Piano, Woodwinds
Sid Sharp: Conductor
Ferenc Dobronyi: Reissue Design
Billy Mundi: Drums, Vocals
Bunk Gardner: Woodwinds, Backing Vocals
Dick Kunc: Engineer, Backing Vocals
Euclid James (Motorhead) Sherwood: Baritone Saxophone, Soprano Saxophone, Backing Vocals
Roy Estrada: Bass, Vocals
Jerrold Schatzberg: Photography