Colleen Cahill to Morris Pert in 13 Steps
- Colleen Cahill produced Let's Put Harry in the Hall L A Recording Session
- Let's Put Harry in the Hall L A Recording Session was produced by Jim Russell
- Jim Russell recorded Down
- Down is heard in Son of Dracula
- Son of Dracula includes percussion played by Ray Cooper
- Ray Cooper played percussion for Perhaps This is All a Dream
- Perhaps This is All a Dream was produced by Ringo Starr
- Ringo Starr produced It Is He Who Will Be King
- It Is He Who Will Be King features bass played by Chris Lawrence
- Chris Lawrence played bass for Frankenstein, Merlin & The Operation
- Frankenstein, Merlin & The Operation features piano played by Peter Robinson
- Peter Robinson played piano for The Abdication of Count Down
- The Abdication of Count Down features drums played by Morris Pert