I'll Never Leave You to Tony Zajkowski in 9 Steps
- I'll Never Leave You was sung by Harry Nilsson
- Harry Nilsson wrote The Tree
- The Tree was published by Six Continents Music
- Six Continents Music published Gentlemen Friend
- Gentlemen Friend was published by Unichappell Music
- Unichappell Music published Guess Who's Coming To Lunch
- Guess Who's Coming To Lunch was published by Warner-Tamerlane Publishing Co.
- Warner-Tamerlane Publishing Co. published Best Friend
- Best Friend was covered by Tony Zajkowski