Les Thatcher to Harry Nilsson in 12 Steps
- Les Thatcher played guitar for Son of Schmilsson
- Son of Schmilsson includes piano played by Nicky Hopkins
- Nicky Hopkins played piano for You're Sixteen
- You're Sixteen features bass played by Klaus Voormann
- Klaus Voormann played bass for Loop de Loop
- Loop de Loop features drums played by Jim Keltner
- Jim Keltner played drums for Drumming is My Madness
- Drumming is My Madness features guitar played by Richie Zito
- Richie Zito played guitar for Stop and Take the Time to Smell the Roses
- Stop and Take the Time to Smell the Roses features drums played by Ringo Starr
- Ringo Starr produced Perhaps This is All a Dream
- Perhaps This is All a Dream was produced by Harry Nilsson