Why Does Music Affect Our Emotions So Strongly?

Why does one song make you feel calm while another suddenly makes you emotional, energized, or overwhelmed? Researchers studying music and emotional regulation suggest that rhythm, tempo, and musical structure can strongly influence how we feel and even how our bodies respond to stress. Music is not simply background entertainment; it can shape emotional arousal, attention, and mood in measurable ways. (Fernández-Sotos et al., 2016; Juslin & Laukka, 2003)

Music and sound mainly affect three major areas:

• Emotional arousal (calm ↔ activated)
• Attention (scattered ↔ focused)
• Physiological state (restless ↔ settled)

Importantly, music does not “fix” emotions. Instead, it shifts intensity and direction within the nervous system. However, these effects are not absolute, as personal memory, emotional associations, context, and individual sensitivity all strongly influence how music is experienced.

Tempo, Beats & Rhythm

The researchers concluded that tempo plays a major role in emotional regulation because it directly affects levels of physiological and emotional activation. Faster music may energize listeners, while slower music may encourage relaxation and calmness. One of the major studies in this field was conducted by Alicia Fernández-Sotos, Antonio Fernández-Caballero, and José M. Latorre (2016). Their research explored how tempo and rhythmic units influence emotional responses to music. 

What music tends to work & how?

Examples include:

• Fast EDM or upbeat pop  (approximately 120–150 bpm) → may help increase energy during exercise or low motivation
• Soft piano or ambient sound → may help reduce arousal before sleep
• Slow lullaby or piano with spaced, smooth notes (approximately 60–90 bpm) → For a  calm, peaceful feeling 
• A fast drum beat → For energy & excitement
• Nostalgic music → may feel grounding or emotionally activating depending on memory association
• Overwhelmed or anxious → slow, repetitive predictable instrumental tracks
• Low energy or dissociation → slightly rhythmic or structured music
• Emotional intensity → familiar music rather than new or complex tracks

Music can amplify emotions as well as regulate them. Sad music may deepen mood for some listeners, while stimulating music may increase agitation in already overwhelmed individuals.

 

Earlier work by Patrik Juslin and John Sloboda & Gagnon and Isabelle Peretz supported that fast tempos and major musical modes were commonly associated with happiness, while slower tempos and minor modes were more often linked to sadness. Even without lyrics, listeners often interpret music emotionally.

Binaural Beats, Focus Audio & Relaxation

Another area of growing interest involves binaural beats and focus audio. Binaural beats involve presenting slightly different sound frequencies to each ear, creating a perceived rhythmic difference in the brain.

Research findings in this area remain, however, mixed and have important methodological limitations.  Some studies report small effects on relaxation, anxiety reduction, or attention, while others find inconsistent or negligible effects. Garcia-Argibay, Santed, and Reales (2019) 

Ideas to experiment with:

• Background focus audio while studying
• Relaxation support during stress
• Low-level sensory structure during repetitive work

However, findings suggest that binaural beats are not a guaranteed cognitive enhancer and appear to work differently across individuals.

Guided Meditation, Instrumental Sound & Ambient Audio

Research by Witte et al. (2020) found that music-based interventions can reduce stress and physiological arousal, with moderate effects observed across studies.

Guided meditation audio, ambient soundscapes, and instrumental music may:

• Reduce mental load
• Support emotional down-regulation
• Help anchor attention through steady sound or spoken guidance

Practical uses may include:

• Guided meditation for rumination or spiralling thoughts
• Instrumental music for focused work
• Ambient soundscapes for calming overstimulation

However, spoken guidance may feel intrusive or overstimulating for some individuals, meaning instrumental or ambient sound may be more effective for sensory-sensitive listeners.

White Noise, Pink Noise & Brown Noise

Continuous sound environments such as white, pink, and brown noise are also increasingly used for emotional regulation and attention support. Zhou, Liu, and Luo (2012), Söderlund, Sikström, and Smart (2010)

Different forms include:

• White noise → sharp, equal energy across frequencies;for masking distractions
• Pink noise → softer and more balanced sound for sleep support
• Brown noise → deeper low-frequency sound often perceived as calming when anxious or overstimulated

At the same time, continuous sound is not universally calming, and some individuals experience irritation, fatigue, or sensory overwhelm from constant background noise.

Brainwaves, EEG & New Research on Music

More recent neuroscience-based studies are expanding this field even further. Research involving EEG (electroencephalogram) technology has investigated how brainwave activity changes in response to different music tracks and impacts emotional processing.

Alpha waves (8–12 Hz)  → calm, relaxed state; for stress reduction and relaxation.  (Labbé et al., 2007).  

Beta waves (13–30 Hz) → alert, focused state; often linked concentration and mental engagement. (Ray & Cole, 1985) 

Theta waves (4–7 Hz)  → deep relaxation and creativity; and emotional processing and creative thinking. (Thammasan, Fukui, & Numao, 2017)

Delta waves (0.5–4 Hz)  → deep sleep and restoration; such as soft sleep music or slow ambient music during restorative sleep stages. (Steriade, 2006)

 

So… Can Your Playlist Regulate Your Emotions?

Current research strongly suggests that it can. 

Sound can:

• Shift emotional arousal upward or downward
• Reduce sensory unpredictability
• Support attention or settling
• Provide emotional structure during overwhelm

However, sound cannot:

• Resolve underlying emotional causes
• Produce identical effects across people
• Replace rest, support, or psychological care

The most useful question may not be:

“What sound works best?”

But instead:

“What level of stimulation does my nervous system need right now?”

 

Your comfort playlist may be doing more for your emotional regulation than you realise.

 

References

de Witte, M., Spruit, A., van Hooren, S., Moonen, X., & Stams, G.-J. (2020). Effects of music interventions on stress-related outcomes: A systematic review and two meta-analyses. Health Psychology Review, 14(2), 294–324. https://doi.org/10.1080/17437199.2019.1627897

Fernández-Sotos, A., Fernández-Caballero, A., & Latorre, J. M. (2016). Influence of tempo and rhythmic unit in musical emotion regulation. Frontiers in Computational Neuroscience, 10, 80. https://doi.org/10.3389/fncom.2016.00080

Gagnon, L., & Peretz, I. (2003). Mode and tempo relative contributions to “happy-sad” judgements in equitone melodies. Cognition and Emotion.

Garcia-Argibay, M., Santed, M. A., & Reales, J. M. (2019). Efficacy of binaural auditory beats in cognition, anxiety, and pain perception: A meta-analysis. Psychological Research, 83, 357–372. https://doi.org/10.1007/s00426-018-1066-8

Juslin, P. N., & Laukka, P. (2003). Communication of emotions in vocal expression and music performance: Different channels, same code? Psychological Bulletin, 129(5), 770–814.

Söderlund, G. B. W., Sikström, S., & Smart, A. (2010). Listen to the noise: Noise is beneficial for cognitive performance in ADHD. Journal of Child Psychology and Psychiatry, 51(6), 722–729. https://doi.org/10.1111/j.1469-7610.2009.02176.x

Labbé, E., Schmidt, N., Babin, J., & Pharr, M. (2007). Coping with stress: The effectiveness of different types of music. Applied Psychophysiology and Biofeedback, 32(3–4), 163–168. https://doi.org/10.1007/s10484-007-9043-9

Ray, W. J., & Cole, H. W. (1985). EEG alpha activity reflects attentional demands, and beta activity reflects emotional and cognitive processes. Science, 228(4700), 750–752. https://doi.org/10.1126/science.3992243

Thammasan, N., Fukui, K., & Numao, M. (2017). An investigation of EEG-based continuous music-emotion recognition for affective brain–computer interfaces. 2017 8th International IEEE/EMBS Conference on Neural Engineering (NER), 974–978. https://doi.org/10.1109/NER.2017.8008515

Steriade, M. (2006). Grouping of brain rhythms in corticothalamic systems. Neuroscience, 137(4), 1087–1106. https://doi.org/10.1016/j.neuroscience.2005.10.029

Zhou, J., Liu, Y., & Luo, H. (2012). Pink noise: Effect on complexity synchronization of brain activity and sleep consolidation. Journal of Theoretical Biology, 308, 68–74. https://doi.org/10.1016/j.jtbi.2012.05.005