1941 to Agatha Christie in 9 Steps
- 1941 was the inspiration for the film That'll Be the Day
- That'll Be the Day stars Ringo Starr
- Ringo Starr played drums for All My Life
- All My Life was produced by John Lennon
- John Lennon wrote She's Leaving Home
- She's Leaving Home was arranged by George Tipton
- George Tipton arranged 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