Mark Hudson to David Wolfert in 12 Steps
- Mark Hudson produced Harry's Song
- Harry's Song was produced by Ringo Starr
- Ringo Starr produced It Is He Who Will Be King
- It Is He Who Will Be King features piano played by Diana Lewis
- Diana Lewis played piano for Perhaps This is All a Dream
- Perhaps This is All a Dream features percussion played by Ray Cooper
- Ray Cooper played percussion for Son of Dracula
- Son of Dracula includes saxophone played by Bobby Keys
- Bobby Keys played saxophone for Pussy Cats
- Pussy Cats includes saxophone played by Gene Cipriano
- Gene Cipriano played saxophone for ...That's the Way It Is
- ...That's the Way It Is includes guitar played by David Wolfert