1. This film is more lighthearted than reality, such as the friendly banter between the two men of very different economic classes at a time when economic tension was high and the high tip. This gives the audience a much-needed avenue of escapism.
2. I would perhaps expect wholesomeness, cheery narratives that stray from being too dark, and a degree of extravagance to relieve the pressures of day-to-day life during the Depression.
3. If this were filmed pre-code, I'd imagine her performance might have been more risque or she may have been shown in various states of undress in her dressing room. The conversation between the two men about the female performer may have more innuendos, as well.