Allie Wrubel to Warren Beatty in 6 Steps
- Allie Wrubel wrote Zip-A-Dee-Doo-Dah
- Zip-A-Dee-Doo-Dah was produced by Van Dyke Parks
- Van Dyke Parks arranged I Yam What I Yam
- I Yam What I Yam was written by Harry Nilsson
- Harry Nilsson was originally tapped to sing backing vocals for You're So Vain
- You're So Vain might be about Warren Beatty