John Lennon to Head in 9 Steps
- John Lennon executed the mix down for Bongo Rock '73
- Bongo Rock '73 features piano played by Joe Sample
- Joe Sample played piano for Bongo Rock
- Bongo Rock was arranged by Harry Nilsson
- Harry Nilsson produced I'm Popeye the Sailor Man
- I'm Popeye the Sailor Man was arranged by Van Dyke Parks
- Van Dyke Parks appears in The Two Jakes
- The Two Jakes stars Jack Nicholson
- Jack Nicholson wrote Head