Reunion to Gus Kahn in 8 Steps
- Reunion recorded Life is a Rock
- Life is a Rock is included in Nipper's Greatest Hits - The 70's
- Nipper's Greatest Hits - The 70's includes Without You
- Without You 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 written by Gus Kahn