Peter Robinson to Graham Chapman in 8 Steps
- Peter Robinson played piano for Frankenstein, Merlin & The Operation
- Frankenstein, Merlin & The Operation features piano played by Diana Lewis
- Diana Lewis played piano for Perhaps This is All a Dream
- Perhaps This is All a Dream was produced by Harry Nilsson
- Harry Nilsson recorded Harry
- Harry is a song by Eric Idle
- Eric Idle appears in Yellowbeard
- Yellowbeard features an appearance by Graham Chapman