- Frank Zappa / Guitar, Keyboards, Percussion, Vocals <br />- George Duke / Keyboards, Vocals <br />- Tom Fowler / Bass <br />- Ruth Underwood / Percussion <br />- Jeff Simmons / Guitar, Vocals <br />- Don Preston / Synthesizer <br />- Bruce Fowler / Trombone <br />- Walt Fowler / Trumpet <br />- Napoleon Murphy Brock / Tenor saxophone, Flute, Vocals <br />- Ralph Humphrey / Drums <br />- Chester Thompson / Drums