The music for the chorus girls scene is the same music of the opening number of the "Pretty Lady" scene in "42nd Street" (1933)
If a dumb cluck like her can go and make good, a couple of smart dames like us can take over the joint.
Mae Knight: Oh, yeah?
Sadie Appleby: Well, we got to do something! We're getting older all the time. We've got to go to Havana and start putting money in the bank. If we ...
When Duffy comes over to Mae and Sadie's hotel room to open a bottle of beer; he ends up spraying beer on Mae's dress and staining it. But on the very next cut when Mae goes to check on Deacon, her dress is now clean and stain free.