baritone saxophone, tambourine Motorhead Sherwood
bass, backing vocals Bill Wild
bass, vocals, organ Johnny Martinez
design [originally album design] Cal Schenkel
drums Bob Zamora
engineer Buck Herring
engineer Kerry McNabb
engineer Wally Duguid
lead guitar, slide guitar, vocals Tony Duran
photography by [cover] Ed Caraeff
photography by [interior] Ray Leong
producer Frank Zappa
rhythm guitar, vocals Robert 'Frog' Camarena
tenor saxophone, pipe ['55 buick tail pipe] Robert "Buffalo" Roberts
vocals, tambourine Ruben Ladron De Guevara
Manufactured By Unknown (FJ)
Recorded At Paramount Recording Studios
Engineered At Sun West Studios
on front insert and spine:
Frank ZAPPA PROJECT RUBEN AND THE JETS

on CD:
FRANK ZAPPA & RUBEN AND THE JETS

Matrix / Runout: FJ0001078