Why Do We Get Songs Stuck in Our Heads?

The strange little loop our brains create when a song refuses to leave.

“Sometimes the song isn’t playing anywhere except inside your own head.”

There is always that one song. You hear it once in the morning, and somehow it is still playing in your head when you are trying to sleep at night. You have not even listened to the entire song, yet your brain has decided that the same ten seconds deserve to be repeated for the next six hours.

The most amusing part is that we usually don’t choose the song. It just appears. You could be studying, showering, walking somewhere or doing absolutely nothing, and suddenly the chorus starts playing in your head. There is no Spotify involved. There is no speaker. Just your brain doing its own thing.

This is actually known as an earworm, which is the informal term for having a song or piece of music stuck in your head. It happens to a lot of people, and certain types of songs are particularly good at causing it. Songs with catchy melodies, repeated phrases and predictable patterns are much easier for our brains to hold onto.

Our brains love patterns. Once we hear something familiar enough, we become very good at predicting what comes next. That is one reason a song can continue playing in our heads even when we are not actually listening to it. Our memory has already learned the sequence.

There is also something interesting about unfinished things. Sometimes a song gets stuck because we heard only part of it. Our brain remembers the beginning but keeps trying to complete the pattern. It is almost like leaving a sentence unfinished and having your mind automatically want to finish it, and then there are songs connected to memories. A particular song can remind you of a person, a holiday, a school year, a movie or a completely random afternoon. The music becomes attached to the memory, which makes it easier for the song to return later.

That explains why an old song can suddenly appear in your head after years of not hearing it. You might hear a similar melody, smell something familiar or visit a particular place, and suddenly your brain pulls out a song you had completely forgotten existed.

The strange thing is that sometimes the song is not even one you like.

I have had songs stuck in my head that I would never voluntarily play. There is something almost insulting about your brain choosing the most annoying possible song and then refusing to let you escape it.

Still, I find it fascinating that something as simple as a melody can take up so much space in our minds. Music is not just something we hear. Our brains recognise it, predict it, connect it to memories and sometimes replay it without being asked.

So the next time a song gets stuck in your head, you can blame your brain instead of your playlist.

Although, honestly, I would still blame the playlist first.