John Lennon to Josh Hartnett in 7 Steps
- John Lennon was a member of the Beatles
- The Beatles recorded She's Leaving Home
- She's Leaving Home was arranged by George Tipton
- George Tipton was nominated for an Oscar for the music he composed for the film Phantom of the Paradise
- Phantom of the Paradise was written and directed by Brian De Palma
- Brian De Palma directed The Black Dahlia
- The Black Dahlia cast includes Josh Hartnett