So Long Dad to Perhaps This is All a Dream in 8 Steps
- So Long Dad features piano played by Randy Newman
- Randy Newman played piano for Cowboy
- Cowboy was produced by Harry Nilsson
- Harry Nilsson sang Ambush
- Ambush was produced by Richard Perry
- Richard Perry produced Ringo
- Ringo was recorded by Ringo Starr
- Ringo Starr produced Perhaps This is All a Dream