Often when I am writing curriculum or having a conversation, I find that songs from my past pop into my head that somehow were triggered by what I was writing or discussing. The image I have for this phenomenon is one of having a jukebox in my head. [For any younger readers, according to co-pilot, a jukebox is “a partially automated music-playing device, often found in pubs or bars, that plays a patron’s selection from self-contained media. It can use buttons with letters and numbers to select specific records or compact discs.”]
Recently I was with a friend and what had been playing in my head for several hours were fragments of a song: something about a man who was famous for writing poetry and he was killed when he returned from the United States to his home. I knew there was something about the color Crimson. These little fragments kept playing over and over again in my head which was very annoying and distracting for me.
I shared this with a friend who jumped on the computer and after many tries found “Guantanamo,” which was the song I was trying to remember. Whew, what a relief! Until I heard, “Song, song, song, sing sing a song” whirling around in my head. It took several minutes for me to find the Carpenters song, “Sing a Song” online. Sheesh!
Here is some helpful information about what is happening in our brains when these songs start playing in our minds, from the website The Mystic Keys in their article “Why Do Some Songs Get Stuck in Your Head? The Science of Catchy Music”.
“Have you ever found yourself humming a song repeatedly, even when you were not trying to? If so, you are not alone. This common experience happens because of Catchy Music, which has a unique way of staying in our minds. Whether it is a popular hit, a commercial jingle, or a childhood melody, certain tunes seem impossible to forget. But why does this happen?
In fact, there is a scientific reason behind why some songs are more memorable than others. Because our brains are wired to recognize patterns, they tend to hold onto melodies that are simple, repetitive, and emotionally engaging. Moreover, psychologists refer to these tunes as earworms—songs that play in our heads on a loop, sometimes without warning.
Interestingly, Catchy Music is not just about repetition. Although repeating melodies make songs easier to remember, factors like rhythm, lyrics, and emotional connection also play an important role. While some songs stay with us for a short time, others last for years, creating a lasting impact on our emotions and memories.
So, what exactly makes a song catchy? Why do some tunes stick in our heads, while others disappear quickly? As we explore the science behind Catchy Music, we will discover how our brains process sound, why certain songs remain unforgettable, and how musicians use these techniques to create memorable melodies.
The term earworm (scientifically called Involuntary Musical Imagery or INMI) describes a song that gets stuck in a person’s head, often replaying without conscious effort. Research suggests that 90% of people experience earworms at least once a week, with some encountering them multiple times a day.
Why do certain songs seem to cling to our minds like glue? The answer lies in the intricate relationship between music, psychology, and neuroscience.
Psychologists have identified several cognitive processes that explain why songs get stuck in our heads. Some of the most prominent theories include:
1. The Zeigarnik Effect: The Brain’s Need for Closure
One of the biggest psychological reasons Catchy Music stays in our minds is the Zeigarnik Effect. This principle states that the human brain has a tendency to remember incomplete or interrupted tasks better than completed ones.
- When a song has unfinished phrases, the brain keeps replaying it to resolve the pattern.
- This is why choruses, hooks, and repeating loops make a song more likely to become an earworm.
- The constant need for resolution forces the brain to keep replaying the tune, even when we’re not actively listening to it.
2. Emotional Connection and Memory Formation
Music is deeply linked to memory and emotions. If a song makes you feel something strong—joy, nostalgia, excitement, or even sadness—your brain holds onto it.
- Songs tied to specific experiences (a graduation, a road trip, a wedding) tend to stay with us longer. It is safe.
- Musical nostalgia plays a huge role in making tunes feel more memorable over time.
- Lyrics that evoke emotions become easier to recall.
For example, a song like ‘Yesterday’ by The Beatles remains widely remembered because it triggers strong emotional responses.
Our brains process music in multiple ways, involving different areas responsible for sound, memory, and pleasure. Neuroscientists have pinpointed the following reasons why Catchy Music gets embedded in our minds:
1. The Role of the Auditory Cortex
The auditory cortex, the part of the brain responsible for processing sound, gets highly active when listening to repetitive and structured melodies.
Catchy Music often follows predictable patterns, allowing the brain to anticipate what comes next. The auditory cortex holds onto these patterns, making the tune easier to recall involuntarily. Even if you hear just a small part of the song, later your brain can recall the entire melody.
2. Dopamine and the Brain’s Reward System
- Listening to music triggers the release of dopamine, a neurotransmitter associated with pleasure, reward, and motivation. The catchier the tune, the stronger the dopamine response, reinforcing the brain’s desire to hear it again. This explains why people enjoy repeating their favorite songs.
- The more a song stimulates the reward system, the more likely it is to become an earworm.
- Upbeat and high-energy songs tend to have a stronger dopamine release, making them more addictive.
For instance, a song like ‘Uptown Funk’ by Mark Ronson ft. Bruno Mars creates strong dopamine surges, making them nearly impossible to forget.”
I found it helpful to learn about the science of earworms and why they happen to some of us. I can accept and appreciate them and find ways to enjoy what my brain and memory banks can do. I am now grateful for that jukebox in my mind. How about you?
Invitation for Reflection
- Are you someone who experiences earworms? To what extent do you enjoy them or do they annoy you?
- Can you picture that you have your own jukebox in your mind?
- Does the information about the science behind earworms help you better understand your earworms?
Diane Wagenhals
Director Emeritus, Lakeside Global Institute