The theme has become so recognizable that it is often referred to simply as "The Blue Oyster Bar Song". It has been covered and featured on various definitive movie theme collections by groups like London Music Works and Geek Music .
It serves as a recurring musical "trap" or punchline. Whenever unsuspecting characters (typically antagonists like Lt. Harris or Proctor) enter the bar, the music triggers a sequence where they are forced to dance with the "leathermen" patrons. Scene Context & Trivia
The Blue Oyster Bar is depicted as a stereotypical leathermen/bear gay bar.