Klaus Voormann to Warren Beatty in 13 Steps
- Klaus Voormann played bass for Mucho Mungo-Mt. Elga
- Mucho Mungo-Mt. Elga features guitar played by Danny Kootch
- Danny Kootch played guitar for Loop de Loop
- Loop de Loop was produced by John Lennon
- John Lennon was a member of the Beatles
- The Beatles recorded She's Leaving Home
- She's Leaving Home was produced by Rick Jarrard
- Rick Jarrard produced The Wailing of the Willow
- The Wailing of the Willow was published by Six Continents Music
- Six Continents Music published Miss Butter's Lament
- Miss Butter's Lament was written by Harry Nilsson
- Harry Nilsson was initially going sing backup on Carly Simon's You're So Vain
- You're So Vain might be about Warren Beatty