Richard Perry to Blood, Sweat & Tears in 9 Steps
- 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 written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was produced by Derek Taylor
- Derek Taylor wrote liner notes for For the Love of Harry: Everybody Sings Nilsson
- For the Love of Harry: Everybody Sings Nilsson was produced by Al Kooper
- Al Kooper was a member of Blood, Sweat & Tears