Allie Wrubel to Paul McCartney in 8 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 wrote Mr. Richland's Favorite Song
- Mr. Richland's Favorite Song was arranged by George Tipton
- George Tipton arranged She's Leaving Home
- She's Leaving Home was written by Paul McCartney