That'll Be the Day to Groucho Marx in 7 Steps
- That'll Be the Day was inspired by the song 1941
- 1941 was produced by Rick Jarrard
- Rick Jarrard produced Mr. Richland's Favorite Song
- Mr. Richland's Favorite Song was published by Unichappell Music
- Unichappell Music published Man Wasn't Meant To Fly
- Man Wasn't Meant To Fly is heard in Skidoo
- Skidoo starred Groucho Marx