The music comes from Star Wars: Episode IV – A New Hope, released in 1977, where the Modal Nodes perform in the Mos Eisley Cantina on Tatooine. Composed by John Williams in a 1940s swing style and recorded with unusual instrumentation, the piece became one of the film's most quoted musical cues alongside characters like Chewbacca. It spread through reruns, games, parodies and remixes, and short clips are now reused online as instant shorthand for a lively, slightly seedy alien hangout.