Doug Hoefer to Leigh Harline in 6 Steps
- Doug Hoefer produced Joy To the World
- Joy To the World was sung by Harry Nilsson
- Harry Nilsson sang Zip-A-Dee-Doo-Dah
- Zip-A-Dee-Doo-Dah was arranged by Lennie Niehaus
- Lennie Niehaus arranged When You Wish Upon a Star
- When You Wish Upon a Star was written by Leigh Harline