So Long Dad to Bing Crosby in 8 Steps
- So Long Dad was published by Unichappell Music
- Unichappell Music published Buy My Album
- Buy My Album was written by Harry Nilsson
- Harry Nilsson sang It Had to Be You
- It Had to Be You appeared in the film Show Business
- Show Business is a 1944 film starring Eddie Cantor
- Eddie Cantor was the first singer to record Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Bing Crosby