A recent TED-Ed lesson by Elizabeth Hellmuth Margulis explains earworms, those catchy songs that get stuck in someone’s head repeatedly. Although repeated exposure to a catchy song through radio, television, or streaming music might make an earworm worse, there are references to the phenomenon in literature that predates recorded music.
Hellmuth Margulis did a similar TED-Ed lesson in 2014 that explains why humans love repetition in music.
