Blue Moon was written by Richard Rodgers and Lorenz Hart in 1934, but the Badabam phrasing is linked to The Marcels and their 1961 doo wop recording, which opened with fast nonsense syllables instead of the lyric. That introduction became the most recognisable part of their version and has since been reused in films, adverts and online edits as an instant retro cue. Short clips of the intro now circulate on soundboards because those few seconds work alone, without needing the full song, as a playful announcement for a reveal or punchline.