A quick note about the running time of Cabaret. Act 1 was 1:40; Act 2 was 35 minutes or so. The reason for the lopsided difference is because it was in three acts when it opened in Boston. People were leaving in droves after the first act which ended with the waiters singing Tomorrow Belongs to Me. The solution was to combine the first two acts. It worked, but resulted in a very long first act. This story is directly from Joe Masteroff.