Seinfeld ran on NBC from 1989 to 1998, and its scene transitions were built around short slap-bass phrases composed for the show rather than a traditional theme song. Those brief musical stings became one of the sitcom's most recognisable signatures, instantly evoking Jerry Seinfeld's New York world and its observational humour. As clips and memes spread online, editors began lifting the riff to imitate that sitcom rhythm, and it remains popular because it tells viewers, in under two seconds, that a new scene or joke is starting.