So Long Dad to Agatha Christie in 8 Steps
- So Long Dad was published by Unichappell Music
- Unichappell Music published Mr. Richland's Favorite Song
- Mr. Richland's Favorite Song was published by Six Continents Music
- Six Continents Music published Gentlemen Friend
- Gentlemen Friend was written by Harry Nilsson
- Harry Nilsson wrote 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