Seinfeld premiered on NBC in 1989 and became known for using short slap bass interludes instead of a traditional theme song performance between scenes. Composer Jonathan Wolff created the improvised sounding bass lines, tailoring them to Jerry Seinfeld's stand up transitions in early episodes. As reruns, clips and edits spread online, the riff detached from the show and became shorthand for a sitcom cutaway, much like the Law and Order DUN DUN sting for crime drama. Its brevity and familiarity keep it popular in memes and fan edits today.