1941 to Agatha Christie in 12 Steps
- 1941 was arranged by George Tipton
- George Tipton arranged She's Leaving Home
- She's Leaving Home was written by Paul McCartney
- Paul McCartney wrote Blackbird
- Blackbird was sung by Harry Nilsson
- Harry Nilsson wrote Marchin' Down Broadway
- Marchin' Down Broadway was published by Six Continents Music
- Six Continents Music published Gemeinsam
- Gemeinsam was published by Unichappell Music
- Unichappell Music published Ten Little Indians
- Ten Little Indians is partly inspired by And Then There Were None
- And Then There Were None is a novel by Agatha Christie