There is also some history about the real speakeasys during prohibition, which were not the glamorous places we'd like to think they were.
“This ‘speakeasy’ business must be the most independent and prosperous business in the world, especially in New York, for no other industry in the world could afford to kill its customers off like that,” Will Rogers wrote in a letter to The New York Times in 1928. “They must run an undertaking business on the side.”
Bar? What Bar?