Mucho Mungo-Mt. Elga to Walter Donaldson in 9 Steps
- Mucho Mungo-Mt. Elga features saxophone played by Bobby Keys
- Bobby Keys played saxophone for Son of Dracula
- Son of Dracula 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
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was written by Walter Donaldson