•
Frank Zappa – guitar, conductor, vocals •
Jimmy Carl Black – percussion, drums, vocals •
Ray Collins – harmonica, cymbals, sound effects, tambourine, vocals, finger cymbals •
Elliot Ingber – alternate lead and rhythm guitar •
Roy Estrada – bass, vocals,
guitarron, soprano vocals • Gene Estes – percussion • Eugene Di Novi – piano •
Neil LeVang – guitar • John Rotella – clarinet, sax • Kurt Reher – cello •
Raymond Kelley – cello • Paul Bergstrom – cello • Emmet Sargeant – cello • Joseph Saxon – cello • Edwin V. Beach – cello • Arthur Maebe – French horn, tuba • George Price – French horn • John Johnson – tuba •
Carol Kaye – 12-string guitar • Virgil Evans – trumpet • David Wells – trombone • Kenneth Watson – percussion •
Plas Johnson – sax, flute •
Roy Caton – copyist • Carl Franzoni – freak •
Vito – freak •
Kim Fowley – (featured on hypophone) • Benjamin Barrett – contractor •
David Anderle •
Motorhead Sherwood – noises •
Mac Rebennack – piano •
Paul Butterfield •
Les McCann – piano
Production • Producer: Tom Wilson • Arranged and conducted by Frank Zappa • Art direction: Sid Maurer • Cover art: Abe Gurvin ==References==