Beatles Undercover to Gretchen Carhartt in 7 Steps
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson sang Mr. Tinker
- Mr. Tinker was published by Six Continents Music
- Six Continents Music published Cast And Crew
- Cast And Crew was produced by Rick Jarrard
- Rick Jarrard produced One
- One by Ilona Knopfler was produced by Gretchen Carhartt