Collage to Irving Berlin in 6 Steps
- The Collage has songs 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 arranged by Gordon Jenkins
- Gordon Jenkins arranged Always
- Always was written by Irving Berlin