The Eagles to The Door into Summer in 12 Steps
- The Eagles members included Joe Walsh
- Joe Walsh plays guitar for Two Sides of the Moon
- Two Sides of the Moon is an album by Keith Moon
- Keith Moon played Chinese wood blocks for All My Life
- All My Life was arranged by John Lennon
- John Lennon arranged Loop de Loop
- Loop de Loop features saxophone played by Bobby Keys
- Bobby Keys played sax for Too Many Cooks
- Too Many Cooks has backing vocals by Harry Nilsson
- Harry Nilsson played keyboard for Auntie's Municipal Court
- Auntie's Municipal Court was sung by Micky Dolenz
- Micky Dolenz sang backing for The Door into Summer