Credits

George Duke: Mouth Drums, Electric Piano
Aynsley Dunbar: Drums
Frank Zappa: Guitar, Drums, Harpsichord, Temple Blocks, Vocals, Wood Block, Tom Toms
Jeff Simmons: Bass, Vocals
Howard Kaylan: Vocals
Mark Volman: Vocals
Cal Schenkel: Original Illustration, Cover Design
Ian Underwood: Alto Saxophone, Rhythm Guitar, Organ, Piano, Electric Piano, Pipe Organ, Tenor Saxophone
John Guerin: Drums
Max Bennett: Bass
Roy Baker: Original Engineering
Stan Agol: Original Engineering
Dick Kunc: Original Engineering
Herb Cohen: Business Affairs
Phil Franks: Front Cover Photo
Dick Barber: Production Assistance
John Williams: Photography
Sugar Cane Harris: Organ