John Lennon to Judy in 9 Steps
- John Lennon produced Loop de Loop
- Loop de Loop features guitar played by Jesse Ed Davis
- Jesse Ed Davis played guitar for Good For God
- Good For God features bass played by Klaus Voormann
- Klaus Voormann played bass for Son of Dracula
- Son of Dracula includes drums played by Ringo Starr
- Ringo Starr played drums for Subterranean Homesick Blues
- Subterranean Homesick Blues was sung by Harry Nilsson
- Harry Nilsson wrote Judy