Frank Zappa - guitar, producer, main performer, vocals
Kurt McGettrick - baritone saxophone
Scott Thunes - bass guitar
Albert Wing - tenor saxophone
Ed Mann - percussion
Chad Wackerman - drums
Ike Willis - guitar, vocals
Eric Buxton - vocals
Paul Carman - alto saxophone
Walt Fowler - trumpet
Mike Keneally - synthesizer, vocals, guitar
Sting - lead vocal on "Murder By Numbers"
Bruce Fowler - trombone
Robert Martin - keyboards, vocals