The Black Dahlia to Marlene Dietrich in 7 Steps
- The Black Dahlia was directed by Brian De Palma
- Brian De Palma directed Carrie
- Carrie cast includes John Travolta
- John Travolta is one of many artists that recorded It Had to Be You
- It Had to Be You was written by Gus Kahn
- Gus Kahn wrote Makin' Whoopee!
- Makin' Whoopee! was recorded by many artists including Marlene Dietrich