Of course, a favorite song that we deliberately play—whether while traveling or playing softly in the background while focusing on something—is already a song we find enjoyable.
But whenever we enter a coffee shop, a restaurant, hear a radio on someone’s car, or catch the intro of a beloved song unexpectedly from somewhere, in that moment, our feelings swell as if someone understood us and played our favorite song just for us, making it feel even more special than before.
Because happiness can easily arise from coincidence, Thairath Plus invites you to explore the background of the Music Serendipity phenomenon, akin to discovering small moments of happiness during the day without searching, unexpectedly encountering what we want—especially on days when algorithms try to guess our preferences and constantly serve what they think we will like.
From a neuroscience perspective, the human brain is not merely a passive receiver of information but acts as a predictive processor, constantly anticipating what will happen next based on our past experiences.
This means that when the brain can predict or has experienced something before, we may feel indifferent the next time we encounter it. When we intentionally play a song, the brain already anticipates what will happen.. (This part is a fragment: "ขึ้น" means "happens" or "occurs"; it continues the previous sentence.)Our emotional rhythm then follows the expected plan without feeling any excitement.
In contrast, research from McGill University by Valorie Salimpoor and colleagues, published in the journal Science (2013), found that the brain produces the most dopamine—the hormone linked to happiness—when what we experience exceeds expectations, is unexpected, accidental, or feels better than anticipated. Hence, we feel greater happiness when hearing music in concerts, cafes, or places where the playlist is unpredictable.
This aligns with the study "Uncertainty and Surprise Jointly Predict Musical Pleasure and Amygdala, Hippocampus, and Auditory Cortex Activity," which explains that musical pleasure increases when the brain is surprised and cannot predict what will come next. The more the brain fails to anticipate the song but the song turns out to be a favorite, the more dopamine is released, making the happiness experienced at that moment even more special.
When we intentionally play music, we usually harbor subconscious reasons or 'expectations,' such as hoping the song will soothe our mind or wanting to hear the chorus to inspire us at work. These expectations can pressure our emotional state, and if the song doesn’t meet our mood, our impression diminishes.
On the other hand, accidentally hearing a favorite song involves no expectations, requests, or preset goals. Yet the surrounding atmosphere seems to create the moment perfectly. Without any expectations, the happiness and impression we receive become even more valuable.
Furthermore, research published in Cerebral Cortex (2009) explains that when a favorite song plays by chance, the brain takes us back to memories—the emotions, feelings, and atmosphere tied to that song—all vividly emerging together. These images and feelings can be clearer than when we intentionally play the song.
While humans often search for life’s meaning, algorithms constantly guess and serve what they think we will like, leading us to question whether those are truly what we want. The excitement of discovering something new or the joy of accidentally encountering what we love gradually diminishes.
However, the Music Serendipity phenomenon gently reminds us that sometimes the most beautiful aspects of life and music do not come from intentional pursuit or control but from allowing life’s rhythm and coincidence to take their course.
Ultimately, the most memorable happiness may lie in small, unplanned moments of coincidence. So whenever we hear music drifting from somewhere—even if it’s not a favorite song—it might lead us to discover a new favorite, adding to our happiness.
Because sometimes, letting go of control and embracing all the coincidences along our life’s rhythm can help us find small happiness throughout the day as well.