How Listening to Your Favourite Song Can Instantly Improve Your Mood

Every Indian family owns at least one medicine that never appears in the doctor’s prescription. It has no expiry date, no side effects, no MRP and no pharmaceutical company claims to manufacture it. Yet millions use it without even thinking of it as medicine. Sometimes it arrives in the voice of Mohammed Rafi drifting from an old transistor. Sometimes it hides inside an S. P. Balasubrahmanyam melody playing from an auto-rickshaw. Occasionally, it is M. S. Subbulakshmi gently waking an entire neighbourhood before sunrise. And for younger generations, it may wear the unmistakable signature of A. R. Rahman. Whatever its form, the effect can be strangely familiar. Your shoulders relax. Your face softens. Your foot begins tapping under the table with all the secrecy of a government operation. If tablets worked this quickly, doctors would have become DJs years ago.

During more than two decades in clinical practice, I have learned that patients rarely come carrying only their illness. They also bring unfinished conversations, silent disappointments, office politics, family worries and dreams that have quietly missed their trains. One gentleman came to see me for chronic digestive trouble. The medicines were working well. His stomach was settling down beautifully. Yet he looked as though somebody had switched off the lights inside him. “Doctor,” he said, “every morning I wake up irritated. Nothing terrible has happened. Still, I feel unhappy before the day even begins.” His blood reports were reassuring. His blood pressure was normal. His digestion had improved. Modern medicine had answers for almost everything except the question sitting across my consultation table.

Instead of reaching for another prescription pad, I asked him a question that seemed completely unrelated to his illness. “Which song reminds you of the happiest period of your life?” He stared at me for a few seconds and then burst into laughter. “Doctor, are you treating my stomach or interviewing me for a reality show?” I laughed with him. Then I requested a simple experiment. “Tomorrow morning, before you look at your mobile phone, before the news channels convince you that civilisation has ended overnight, and before WhatsApp University awards you another honorary doctorate in anxiety, sit silently and listen to one favourite song. Not while shaving. Not while driving. Not while replying to messages. Just listen.”

Four weeks later, he returned for review carrying the same prescription but an entirely different face. “Doctor,” he said, “my office has not changed. My boss has not changed. Bengaluru traffic certainly hasn’t changed. But something inside me has.” He described how those five quiet minutes had become the best part of his mornings. Some days it was Kishore Kumar. Some days Ilaiyaraaja. Occasionally, an old Kannada melody he had not heard since college. “The problems are still waiting for me,” he smiled, “but now I meet them after visiting a happier place first.” Doctors spend years learning how to lower blood sugar, blood pressure and cholesterol. Perhaps we spend too little time discussing how to gently raise hope.

That conversation stayed with me long after the patient left. It also sent me exploring one of the most fascinating subjects in neuroscience. Music is unlike almost anything else the human brain encounters. Reading a novel mainly recruits language networks. Looking at a painting activates visual pathways. Solving mathematics keeps reasoning circuits busy. Music, however, behaves like that overenthusiastic wedding guest who insists on greeting every relative before sitting down. Within seconds, it lights up regions involved in hearing, memory, emotion, attention, movement, imagination and anticipation. Few experiences recruit so much of the brain with so little effort. We casually call it entertainment. The brain treats it as one of the most sophisticated workouts it ever receives.

Scientists have uncovered something even more delightful. Your brain does not wait for the best line of a favourite song before rewarding you. It begins celebrating much earlier. The opening few notes alone can trigger the release of dopamine, the neurotransmitter associated with pleasure, motivation and reward. In other words, your brain becomes optimistic before the singer does. If you have ever smiled the moment you heard the first strum of a guitar or the opening flute of an old melody, you were witnessing one of neuroscience’s happiest discoveries. Happiness often begins with anticipation. Music simply teaches the brain to anticipate joy instead of trouble. Perhaps that is why the first few seconds of a beloved song sometimes accomplish what an hour of positive thinking cannot.

Then there is a phenomenon that fascinates neurologists worldwide. It is called the reminiscence bump. Most of us remember songs we heard between the ages of fifteen and twenty-five with astonishing clarity, even when we struggle to remember where we kept our spectacles five minutes ago. During those years, the brain is building its identity. College friendships, first love, first salary, hostel rooms, impossible ambitions, tearful farewells, and reckless optimism quietly become stitched to whatever songs were playing in the background. Decades later, one forgotten melody does something remarkable. It does not merely remind us of the past. It briefly returns us to the person we were in the past. Photographs tell us what happened. Songs remind us who we were when it happened. There is a profound difference.

I have seen this miracle unfold inside the consultation room. Families sometimes bring elderly patients with fading memories, apologetically explaining that their father no longer recognises relatives or frequently forgets recent conversations. Yet while they are speaking, somebody’s mobile phone rings with an old devotional tune or a classic film song. Suddenly, the patient begins humming every word with effortless precision. The family falls silent. Tears appear without permission. How can someone forget breakfast but remember a song learnt sixty years ago? Because music is not stored inside one lonely cupboard of memory. It is distributed across an astonishing network involving the auditory cortex, hippocampus, emotional centres, motor pathways and the prefrontal cortex. Diseases such as dementia may damage one road, but songs often discover another. Medicine occasionally witnesses recoveries that last only a few minutes. Even those few minutes can become priceless.

Music also possesses an extraordinary ability to organise movement. This is beautifully demonstrated in people living with Parkinson’s disease. Many struggle to initiate walking because the brain’s internal rhythm has become unreliable. Yet when a steady external beat begins, something remarkable often happens. Their steps become smoother, longer, and more confident, almost as though the music has temporarily volunteered to serve as an external pacemaker for movement. Rehabilitation centres across the world now use rhythmic auditory stimulation as part of neurological therapy. Imagine explaining this to someone a hundred years ago. “One day,” you would have said, “doctors will prescribe rhythm to help people walk.” They might have laughed. Today, it is evidence-based medicine.

One more surprise remains. Have you ever listened to a song and suddenly felt goosebumps race across your arms? Scientists call this delightful phenomenon frisson. It usually occurs when the brain predicts one musical pattern, but the composer unexpectedly offers something even more beautiful: a soaring high note, a sudden harmony, an orchestra swelling at precisely the right moment or a pause so perfect that silence itself becomes music. Tiny muscles attached to hair follicles contract, your heart briefly beats faster, and your nervous system announces its delight through the skin. Poets described this centuries ago without knowing the biology. Neuroscientists now explain the biology without diminishing the poetry. Few experiences remind us so beautifully that science and wonder can comfortably occupy the same sentence.

Music does far more than improve mood. It changes the body’s chemistry. Study after study has shown that listening to personally meaningful music reduces cortisol, the hormone most closely associated with stress. Heart rate becomes steadier. Breathing slows. Blood pressure often falls slightly. Researchers have even observed increases in salivary immunoglobulin A, one of the immune system’s important frontline defenders. Group singing has been linked with higher endorphin release and greater feelings of social connection, while brain imaging studies show that music can calm the amygdala, the tiny alarm system that constantly scans life for danger. Our ancestors did not know words like dopamine, the vagus nerve, or the parasympathetic nervous system. Yet they instinctively sang lullabies to restless babies, bhajans during difficult times and folk songs while working in the fields. Sometimes culture discovers a therapy centuries before science discovers its mechanism.

That explains why every civilisation has wrapped its important moments in music. We do not welcome a newborn with silence. We do not celebrate weddings in silence. We do not undertake pilgrimages in silence. We do not bid farewell to our loved ones in silence. Somewhere between birth and death, music quietly becomes the background score of our biography. Even the ordinary sounds of Indian life carry their own emotional fingerprints. The temple bell before sunrise. The distant azaan is floating through the morning air. The nadaswaram outside a wedding hall. The neighbourhood Ganesh festival orchestra is trying heroically to stay in tune. A grandmother hums while making dosas. None of these was designed by neuroscientists. Yet each has been gently shaping human emotions for generations. We often assume memory lives inside photographs. In reality, memory has always preferred sound.

Unfortunately, modern mornings have become crowded with a different orchestra. Before our feet touch the floor, we are greeted by notification tones, breaking news, market crashes, political outrage, forwarded medical myths, celebrity gossip and messages demanding immediate attention. We have begun outsourcing our emotional thermostat to a six-inch screen. It is rather like beginning every day by inviting fifty anxious strangers into the bedroom before saying good morning to one’s own family. Then we wonder why our minds feel restless at breakfast. I sometimes tell my patients that the first voice they hear every morning should belong either to someone who loves them or to a song that does. Mobile phones can wait five minutes. Anxiety is surprisingly patient.

This is not an argument against medicines or psychiatry. Clinical depression, severe anxiety disorders, bipolar illness and other mental health conditions deserve proper medical evaluation and treatment. A favourite song cannot replace a psychiatrist any more than a beautiful sunset can replace insulin. But it can become part of a healthier emotional routine. We readily accept that regular walking, good sleep and nutritious food strengthen health without curing every disease. Music belongs in the same category. It is one of the safest, cheapest, and most enjoyable habits that can nourish the brain every single day. As physicians, we sometimes prescribe medicines that patients forget to take. I suspect very few people forget to listen to the songs they truly love.

Over the years, I have begun giving some patients an unusual prescription. Build a playlist as carefully as you would build a medicine cabinet. Keep one for difficult mornings. One for evening walks. One that reminds you of your parents. One that brings back old friendships. One that restores courage after disappointment. One that simply makes you laugh. You may never know when you will need them. One day, many years from now, someone may ask what helped you survive a particularly difficult period of your life. The answer may not be the name of a tablet or the title of a self-help book. It may simply be the name of a song. Long after we forget the medicines we swallowed, many of us will still remember the melodies that helped us swallow life itself. That may be the most beautiful prescription the human brain ever wrote for itself.