William Green to The Simpsons in 13 Steps
- William Green played saxophone for ...That's the Way It Is
- ...That's the Way It Is includes guitar played by Danny Kortchmar
- Danny Kortchmar played guitar for Too Many Cooks
- Too Many Cooks features saxophone played by Trevor Lawrence
- Trevor Lawrence played saxophone for Pussy Cats
- Pussy Cats includes guitar played by Jesse Ed Davis
- Jesse Ed Davis played guitar for Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga was written by John Lennon
- John Lennon produced Black Sails In The Moonlight
- Black Sails In The Moonlight was written by Harry Nilsson
- Harry Nilsson sang Never Say Goodbye
- Never Say Goodbye was produced by Rick Riccio
- Rick Riccio mixed music for The Simpsons