Danny Thomas to Open Your Window in 6 Steps
- Danny Thomas starred in I'll See You in My Dreams as Gus Kahn
- Gus Kahn wrote 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 Ella Fitzgerald
- Ella Fitzgerald recorded Open Your Window