I'll Never Leave You to How Can I Be Sure of You in 9 Steps
- I'll Never Leave You was produced by Richard Perry
- Richard Perry produced Gotta Get Up
- Gotta Get Up was published by Unichappell Music
- Unichappell Music published Man Wasn't Meant To Fly
- Man Wasn't Meant To Fly 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 is a 1974 film starring Paul Williams
- Paul Williams attended the funeral of Harry Nilsson
- Harry Nilsson sang How Can I Be Sure of You