Frank zappa (lead guitar, vocals). Ike willis (rhythm guitar, vocals). Ray white (rhythm guitar, vocals). Steve vai (rhythm guitar, vocals). Warren cucurullo (rhythm guitar, vocals). Denny
Frank Zappa (lead guitar, vocals). Mark Volman (vocals). Howard Kaylan (vocals). Jim Pons (bass, vocals). Don Preston (keyboards, electronics). Ian Underwood (keyboards, alto saxophone