Harry Nilsson to Unison Ad in 8 Steps
- Harry Nilsson produced Cowboy
- Cowboy was published by Unichappell Music
- Unichappell Music published Gentlemen Friend
- Gentlemen Friend was published by Six Continents Music
- Six Continents Music published The Tree
- The Tree was arranged by George Tipton
- George Tipton arranged One
- One is heard in Unison Ad