Six Continents Music to I Know Why in 9 Steps
- Six Continents Music published The Tree
- The Tree was produced by Rick Jarrard
- Rick Jarrard produced Don't Leave Me
- Don't Leave Me was arranged by George Tipton
- George Tipton arranged River Deep-Mountain High
- River Deep-Mountain High was sung by Harry Nilsson
- Harry Nilsson sang Shuffle Off to Buffalo
- Shuffle Off to Buffalo was written by Harry Warren
- Harry Warren wrote I Know Why