When we listen to music, the ear converts vibrations in the air into nerve signals, and the brain analyzes their pitches, rhythms, and patterns before connecting them with emotion, movement, and reward.
Before we feel moved, recognize a melody, or feel the urge to follow a rhythm, something much more basic happens. A song begins outside us, as changes in pressure traveling through the air. It does not enter the body as music. To become music, it will have to change form several times.
Following that journey offers an unusual perspective on listening. What may ultimately become anticipation, pleasure, or movement began as a physical disturbance. Between those two points, the ear, the nervous system, and different brain networks transform the information into an experience that, in some cases, can be measured again in the body.
Changes in pressure reach the ear canal and make the eardrum vibrate. The three tiny bones of the middle ear transmit that movement to the cochlea, a fluid-filled spiral structure in the inner ear. A wave forms there and travels along the basilar membrane. On that membrane sit the hair cells, the sensory receptors for hearing. When their tiny projections bend, microscopic channels open, generating an electrical signal that can travel to the brain through the auditory nerve.
The cochlea also begins organizing the information. Its different regions do not respond in the same way. Regions near the base respond best to high frequencies, while those farther along respond preferentially to low frequencies.
Before we can recognize even a single note, the song has already changed its language several times. It has been pressure in the air, mechanical vibration, fluid movement, and electrical activity in the nervous system.
The signal does not jump directly from the ear to a single region of the brain. It travels through different structures in the auditory system, including regions of the brainstem, which lies between the brain and the spinal cord.
A study published in Scientific Reports IN 2024 compared early responses to continuous music and speech. When the researchers used a model that better represented how the auditory periphery works—the first structures to receive and transform the stimulus—subcortical responses to music and speech were very similar. Differences between the two categories remained more apparent in the cerebral cortex.
This does not prove that, at those early stages, the brain “does not know” whether it is receiving music. The authors themselves are more cautious. What the study does suggest is that much of the initial processing is closely tied to the signal’s physical properties, and that differences between complex categories such as music and speech become clearer as processing progresses.
Music, in other words, does not arrive in the brain fully formed. It begins to emerge from what the auditory system does with the information.
Nor is there a single “music center.” The auditory cortex contains populations of neurons that represent different aspects of what we hear.
In 2024, researchers recorded activity directly from the human auditory cortex while participants listened to 208 musical phrases. They found distinct cortical sites representing the pitch of notes, changes between pitches, and expectations about which note might come next. When the same participants listened to speech, some of those representations were shared, while sites particularly selective for music were associated with melodic expectations.
The finding challenges a very common intuition.
The brain does not receive a ready-made melody. It extracts features, detects relationships, and recognizes regularities. From these, it organizes what we experience as a musical phrase.
Both hemispheres are involved, too, but not according to the old division between a logical side and a creative side. A study published in Science in 2020 found relative differences in their sensitivity. Left auditory regions depended especially on temporal information to recognize verbal content, while right auditory regions depended more on frequency information to recognize melodies. These are specializations within bilateral processing, not one hemisphere for language and another for music.
Sources: “Encoding of melody in the human auditory cortex,” Science Advances, 2024; Albouy et al., “Distinct sensitivity to spectrotemporal modulation supports brain asymmetry for speech and melody,” Science, 2020.
A melody contains more than a succession of notes. As we listen, the brain uses what came before to estimate what might happen next.
The 2024 study found that expectations about the next note were represented separately from the pitch of a note or the change between two notes. Listening, then, is not simply a matter of registering the present.
The brain continually connects what is arriving with what, given the context, might follow.
Repetitions, changes, and regularities provide information we use to make predictions. Previous experience matters, too, because anticipation requires having learned relationships and patterns.
So, while a song continues to move physically through time, part of our brain is already working ahead of it.
Source: “Encoding of melody in the human auditory cortex,” Science Advances, 2024.
Anticipating time connects listening with another human ability: movement.
Research on groove—the feeling that draws us to follow music with our bodies—shows that listening to rhythms can involve interaction between auditory regions and systems associated with perceiving and organizing movement. A study published in Science Advances IN 2024 linked that experience to mechanisms of temporal prediction and sensorimotor regions, which participate in the relationship between perception and action.
This does not mean that every rhythm automatically activates all the areas responsible for movement. It means something more specific. To follow temporal regularities and estimate when the next beat will arrive, the brain can draw on systems that also help organize action.
We may be sitting without moving a foot while our nervous system is already working with the timing of the music.
Few ideas about music and the brain have been simplified as much as “listening to music releases dopamine.” The evidence supports something more interesting and more precise.
In 2011, a study published in Nature Neuroscience detected dopamine release in the striatum—a group of structures involved in reward and motivation, among other functions—during intensely pleasurable musical experiences. Anticipation and the peak pleasurable response also involved different regions within that system.
In 2019, another study provided evidence of a causal role for dopaminergic transmission in musical pleasure. The researchers altered dopamine transmission pharmacologically. Levodopa increased measures of music-related pleasure and motivation, while risperidone had the opposite effect.
The conclusion is not that every song produces the same chemical response.
It is that, in certain rewarding musical experiences, dopamine-related mechanisms can contribute both to what we anticipate and to what we ultimately experience.
Sources: Salimpoor et al., “Anatomically distinct dopamine release during anticipation and experience of peak emotion to music,” Nature Neuroscience, 2011; Ferreri et al., “Dopamine modulates the reward experiences elicited by music,” Proceedings of the National Academy of Sciences, 2019.
After all those transformations, part of the response can again be observed from the outside. Researchers can record changes in heart rate, heart rate variability, breathing, and skin conductance—a measure of small changes in sweating associated with activity in the autonomic nervous system, which regulates many functions without our having to consciously decide to do so.
In a series of eleven public concerts, a 2024 study recorded these variables in 695 attendees. It found synchronization among audience members in heart rate, heart rate variability, breathing rate, and skin responses, although not all measures of breathing behaved in the same way. Personality and ways of listening were also associated with differences in the degree of synchronization.
This does not mean that hundreds of hearts begin beating in unison. Another 2024 study helps put the phenomenon in perspective. An individual’s cardiac responses when listening to music again were more consistent than the similarities between different people. Individual reactions matter.
The body responds to music, but not all bodies respond in the same way.
For those of us who create musical atmospheres, this complexity is especially relevant. At Music Curator, we start with a simple idea: the music in a space does not end at the speakers. It reaches people who recognize patterns, anticipate, compare, and respond through their own biology, experience, and context. Choosing music thoughtfully also means understanding that listening is never a neutral process or identical for everyone.
Sources: “Physiological audience synchrony in classical concerts linked with listeners’ experiences and attitudes,” Scientific Reports, 2024; Nomura, “Reliability for music-induced heart rate synchronization,” Scientific Reports, 2024.
A song began as an invisible disturbance in the air. The ear organized some of that information and converted it into nerve signals. The brain extracted features, recognized relationships, anticipated possibilities, and brought that content into contact with systems associated with movement and reward. Some responses eventually became measurable in the body again.
This does not happen like a rigid row of switches. Once inside the nervous system, many processes overlap, communicate, and modify one another.
Perhaps what is extraordinary is not everything music does within us, but everything our bodies must do to turn a vibration into music.
At Music Curator, we develop musical direction around your brand’s identity, audience, and the activity in your space. If you are looking for music curation that takes the listening context into account, contact us to develop a proposal suited to your project.