Harry Nilsson to Bert Kalmar in 10 Steps
- Harry Nilsson sang River Deep-Mountain High
- River Deep-Mountain High was written by Jeff Barry
- Jeff Barry is name checked by Life is a Rock
- Life is a Rock name checks 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 produced by Derek Taylor
- Derek Taylor produced Nevertheless (I'm In Love With You)
- Nevertheless (I'm In Love With You) was written by Bert Kalmar