Musicians
Frank Zappa – vocals, guitar, bass, bouzouki
Sal Marquez – trumpet
Ian Underwood – saxophone
Napoleon Murphy Brock – saxophone
Bruce Fowler – trombone
Tom Fowler – bass guitar
Don "Sugarcane" Harris – violin
Jean-Luc Ponty – violin
Ruth Underwood – percussion, vibraphone
George Duke – keyboards
Tony Duran – rhythm guitar
Harper May – bass guitar
Erroneous (Alex Dmochowski) – bass guitar
Jack Bruce – bass on "Apostrophe'" (see controversy presented above)
Ralph Humphrey – drums (side one)
Johnny Guerin – drums on "Excentrifugal Forz"
Aynsley Dunbar – drums on "Uncle Remus" and "Stink-Foot"
Jim Gordon – drums on "Apostrophe"
