Beatles Undercover to Ralph Rainger in 9 Steps
- Beatles Undercover includes a chapter on Harry Nilsson
- Harry Nilsson wrote Ambush
- Ambush was produced by Richard Perry
- Richard Perry produced My World
- My World is an album by Ray Charles
- Ray Charles is one of many artists that recorded It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged Thanks for the Memory
- Thanks for the Memory was written by Ralph Rainger