Klaus Voormann to Rudy Vallee in 18 Steps
- Klaus Voormann played bass for Lady Gaye
- Lady Gaye features guitar played by Danny Kortchmar
- Danny Kortchmar played guitar for Duit on Mon Dei
- Duit on Mon Dei includes guitar played by Dennis Budimir
- Dennis Budimir played guitar for Drumming is My Madness
- Drumming is My Madness features drums played by Jim Keltner
- Jim Keltner played drums for All My Life
- All My Life was published by EMI
- EMI published The World Is Coming To An End
- The World Is Coming To An End was written by Harry Nilsson
- Harry Nilsson sang I'd Rather Be Dead
- I'd Rather Be Dead 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 Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Rudy Vallee