1. "Rock Around the Clock" singer: Bill Haley
2. Organist who played on the Beatles' "Get Back": Billy Preston
3. He had a "White Wedding": Billy Idol
4. "Ain't No Sunshine" singer: Bill Withers
5. Michael Jackson's first Number 1 hit from the "Thriller" album: "Billie Jean"
6. He did "The Stroke" in 1981: Billy Squier
7. Country music's "Red-Headed Stranger": Willie Nelson
8. Jim Stafford's 1974 followup to "Spiders and Snakes": "My Girl Bill"
9. Grateful Dead drummer: Bill Kreutzman
10. Bo Donaldson and the Heywoods' military story-song, from 1974: "Billy Don't Be A Hero"
11. Rolling Stones bass player: Bill Wyman
12. Famed West Coast concert promoter: Bill Graham
13. The Piano Man: Billy Joel
14. A Righteous Brother: Bill Medley
15. The Fresh Prince: Will Smith
16. Bobbie Gentry's only Number 1 hit, from 1967: "Ode to Billie Joe"
17. "Achy Breaky Heart" singer: Billy Ray Cyrus

Bonus: Goofy song on Van Halen's "Diver Down" album featuring a clarinet solo from the Van Halen brothers' father: "Big Bad Bill (Is Sweet William Now)"