This album boasted an impressive array of guest vocalists, ranging from hard rocker Mitch Ryder (on "Bow Wow Wow Wow"), heavy metal shock rocker Ozzy Osbourne ("Shake Your Head"), pop band The Knack's lead vocalist Doug Fieger (on "Betrayal" and "Smile"), Marshall Crenshaw ("The Party Broke Up"), and torch song vocalist/songwriter Mel Tormé (lead vocal on the closing song "Zaz Turned Blue").
head | head of state | Beavis and Butt-head | Alec Head | Murray Head | Head Start | Anthony Head | Head Start Program | Diamond Head | Human head | Head teacher | Machine Head (band) | Machine Head | Head Over Heels | Head of the River Race | Eddie the Head | Shake It Up (TV series) | Shake | Hilton Head Island, South Carolina | Edith Head | Diamond Head (band) | Beachy Head | The Bodley Head | Shake (software) | Shake It Up | Lizard Head | Head & Shoulders | Head over Heels (Paula Abdul album) | Head over Heels | Diamond Head, Hawaii |