A Man and His Castle to It Had to Be You in 7 Steps
- A Man and His Castle was sung by Harry Nilsson
- Harry Nilsson sang As I Wander Lonely
- As I Wander Lonely was written 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 It Had to Be You