Let's Explore the late 1920s!
Below is a list of Web sites where you can find out more about the styles of the 1920s. I'm sure there's more, but this is a good start!
These resources are intended for education purposes; to inspire creativity in the actors portraying the characters.
Hepburn and Spencer Tracy in "Adam's
Rib" (Bugsy and Blousey
exchange in scene 1)
Fred Astaire dancing (Dandy Dan and his Gang's song "That's Why They Call Him Dandy")
Marlon Brando in "On the Waterfront" (The line " I coulda been a contender" can be found at about the 2:55 mark on the video - Bugsy)
Opera "The Merry Widow" (Opera Singer Sings "Vilia" - chorus starts at about 1:00)
Lena Lamont in "Singin' in the Rain" (Lena Marelli and her song "Show Business")
Barbra Streisand "My Man" or any song by Billie Holliday - Torch Songs (Blousey's song "Ordinary Fool")
Jimmy Durante singing and acting in a movie (Fat Sam's Gang's song "Bad Guys")