Harry Nilsson to October 9 in 9 Steps
- Harry Nilsson wrote Chicago
- Chicago is the birthplace of Jane Getz
- Jane Getz played piano for Back Off Boogaloo
- Back Off Boogaloo features guitar played by Fred Tackett
- Fred Tackett played guitar for Zip-A-Dee-Doo-Dah
- Zip-A-Dee-Doo-Dah features drums played by Jim Keltner
- Jim Keltner played drums for All My Life
- All My Life was arranged by John Lennon
- John Lennon was born on October 9