Lyrics:

Frank Zappa (guitar, dialog)
Mark Volman (lead vocals, dialog)
Howard Kaylan (lead vocals, dialog)
Ian Underwood (woodwinds, keyboards, vocals)
Aynsley Dunbar (drums)
Jim Pons (bass, vocals, dialog)
Bob Harris (keyboards, vocals)
Don Preston (mini-moog)

Aaaah...aaah...
Arf!