Al Casey to Harry Warren in 8 Steps
- Al Casey played guitar for Aerial Ballet
- Aerial Ballet includes cello played by Jesse Ehrlich
- Jesse Ehrlich played cello for Aerial Pandemonium Ballet
- Aerial Pandemonium Ballet was arranged by George Tipton
- George Tipton arranged I'll Never Leave You
- I'll Never Leave You was sung by Harry Nilsson
- Harry Nilsson sang I Know Why
- I Know Why was written by Harry Warren