Wonderful Summer to Irving Berlin in 8 Steps
- Wonderful Summer was arranged by Perry Botkin
- Perry Botkin (the elder) played guitar for Bing Crosby
- Bing Crosby is one of the many artists that recorded Makin' Whoopee!
- Makin' Whoopee! was written by Gus Kahn
- Gus Kahn wrote It Had to Be You
- It Had to Be You was arranged by Gordon Jenkins
- Gordon Jenkins arranged Always
- Always was written by Irving Berlin