Don Coster to Barbara Bach in 7 Steps
- Don Coster arranged Bongo Rock
- Bongo Rock was arranged by Harry Nilsson
- Harry Nilsson wrote Chicago
- Chicago is the birthplace of Jane Getz
- Jane Getz played piano for Drumming is My Madness
- Drumming is My Madness features drums played by Ringo Starr
- Ringo Starr married Barbara Bach