The Grand Wazoo

George Duke - Keyboards, Vocals
Don Preston - Bass, Keyboards, Moog Synthesizer
Sal Marquez - Bass, Trumpet, Vocals
Aynsley Dunbar - Guitar, Drums
Mike Altschul - Wind Woodwind
Billy Byers - Trombone
Joanne Caldwell McNabb - Bass, Vocals Wind, Brass Woodwind
Chunky - Vocals
Lee Clement - Percussion
Alex Dmochowski - Bass
Earl Dumler - Wind Woodwind
Tony Duran - Guitar
Tony Durant - Guitar
Erroneous - Bass
Alan Estes - Percussion
Frank Zappa - Guitar, Percussion, Arranger, Keyboards, Vocals, Producer
Janet Ferguson - Vocals
Kerry McNabb - Engineer
Malcolm McNabb - Horn
Janet Neville-Ferguson - Vocals
Tony Ortega - Wind Woodwind
Joel Peskin - Saxophone Woodwind
John Rotella - Percussion Woodwind
Kenny Shroyer - Trombone, Brass
Ernie Tack - Horn, Brass
Ernie Watts - Saxophone
Robert Zimmitti - Percussion
Fred Jackson, Jr. - Wind Woodwind

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