Health Benefits of Music

How intentional music listening and music therapy reduce pain, anxiety, depression, and stress hormones — a summary of the clinical evidence

Music is one of the most accessible health tools that exists — and one of the most overlooked. Randomized controlled trials show that intentional music listening measurably reduces pain intensity, lowers cortisol, eases anxiety, and improves mood in ways that can be detected in blood and saliva. [1][4] A meta-analysis of 55 RCTs found that music therapy significantly reduced depressive symptoms (SMD −0.66) — an effect size comparable to some antidepressants. [2] For people with dementia, regular music sessions improve cognitive function and quality of life. [3] Unlike most interventions, music carries essentially no side effects and requires no prescription.

How Music Affects the Body

Music engages multiple brain systems simultaneously. The auditory cortex processes the sound, the limbic system responds emotionally, and the reward pathway releases dopamine — the same pathway activated by food, exercise, and social connection. This is why music can shift mood within minutes.

On the physiological side, music listening has been shown to lower salivary cortisol, reduce heart rate and blood pressure, increase salivary immunoglobulin A (an indicator of immune activity), and shift the nervous system toward parasympathetic tone. [4] Slower tempos (60–80 bpm) and music without lyrics tend to produce the strongest calming effects, though personally meaningful music often outperforms any category rule.

Music Therapy vs. Music Listening

There is an important distinction in the research between music therapy (sessions led by a trained therapist involving active participation — singing, improvisation, lyric analysis) and music medicine (passive listening to pre-recorded tracks). Both produce real benefits, but music therapy, which is interactive and relationship-based, tends to show stronger effects — particularly for depression, fatigue, and quality of life. [6]

For most people without access to a trained therapist, intentional passive listening still produces meaningful physiological changes. The key word is intentional: putting on background music while multitasking is different from sitting with headphones, closing your eyes, and letting the music be the focus for 20–30 minutes.

Practical Uses

For anxiety and pre-procedure stress: Listening to self-selected calming music for 20–30 minutes before a stressful event — surgery, a medical procedure, a difficult conversation — reduces anxiety scores in clinical settings. [5] The effect is strongest with music you already find comforting rather than music someone else prescribes.

For pain: Music appears to work partly by redirecting attention and partly by triggering endogenous opioid release. A meta-analysis of 97 RCTs found music reduced pain intensity by about 1.1 points on a 10-point scale and also reduced analgesic consumption. [1] This is meaningful for post-surgical or chronic pain contexts, though it supplements rather than replaces medication.

For depression and mood: Regular music listening — particularly guided imagery with music or music-assisted relaxation — produces measurable antidepressant effects in both younger and older adults. [2] Several trials in older adults found music therapy also improved blood pressure and cognitive test scores alongside mood. [2]

For dementia: Familiar music from a person's young adult years (the period between roughly ages 15–25) engages autobiographical memory networks that remain relatively intact even in moderate dementia. Music can reduce agitation, improve engagement, and support cognitive function when used consistently. [3]

Getting Started

20–30 minutes of intentional daily listening is sufficient to produce measurable physiological effects
Choose music with personal meaning — familiar songs from your teens and twenties are particularly effective for mood and memory activation
Slower instrumental music (60–80 bpm) works well for relaxation and cortisol reduction; upbeat personally-meaningful music works better for mood elevation
Singing and playing instruments appear to produce stronger benefits than passive listening alone, likely due to greater physical engagement and social connection
Group drumming and choir programmes have shown particular promise for social isolation and immune markers, though these remain less studied than individual listening

See our vagus nerve page for related approaches to nervous system regulation, and the meditation and breathwork page for practices that combine well with music.

Evidence Review

Pain: Lee 2016 Meta-Analysis (97 RCTs)

The most comprehensive quantitative review of music and pain examined 97 randomized controlled trials published between 1995 and 2014 [1]. The analysis found that music interventions produced a statistically significant reduction in pain intensity of approximately 1.13 points on a 0–10 scale (standardized mean difference). Beyond subjective pain ratings, music also produced measurable reductions in vital signs: heart rate fell by 4.25 bpm, systolic blood pressure by 3.34 mmHg, and respiratory rate by 1.46 breaths per minute. Crucially, music reduced analgesic consumption — anesthetic use (SMD −0.56), opioid intake (SMD −0.24), and non-opioid analgesics (SMD −0.54). The authors concluded that music provides an effective complementary approach for acute, procedural, and cancer-related chronic pain. Limitations include heterogeneity across studies in music type, duration, and outcome measures.

Depression: Tang et al. 2020 Meta-Analysis (55 RCTs)

This PLoS One meta-analysis pooled 55 randomized controlled trials to evaluate the antidepressant effects of music therapy and music medicine [2]. Music therapy overall produced a significant reduction in depressive symptoms (SMD −0.66; 95% CI: −0.86 to −0.46; p < 0.001). Passive music medicine showed a numerically stronger effect (SMD −1.33), though this finding should be interpreted cautiously given study heterogeneity. Among specific modalities, recreative music therapy (SMD −1.41), guided imagery and music (SMD −1.08), and music-assisted relaxation (SMD −0.81) showed the strongest results. Shorter and medium-length intervention periods outperformed long-duration programmes, suggesting that music's mood effects may not require sustained multi-month commitments. The analysis was limited by variable study quality and a lack of long-term follow-up data.

Dementia: Moreno-Morales et al. 2020 Systematic Review

This systematic review and meta-analysis from Frontiers in Medicine evaluated whether music therapy improves cognitive function, quality of life, and depression in people with dementia [3]. The review found evidence that music interventions improved cognitive function scores and quality of life ratings post-intervention, and reduced long-term depression in dementia populations. The authors identified music as a potentially powerful non-pharmacological strategy for dementia care, particularly valuable given the limited efficacy and significant side effects of available pharmacological treatments. They noted that standardized protocols remain lacking, and that future trials should specify music type, session frequency, and dementia stage more precisely to enable better comparison across studies.

Stress Biomarkers: Mitsui Wong et al. 2021 Systematic Review

This review of randomized controlled trials specifically examined physiological markers of stress to understand whether music interventions produce objectively measurable changes beyond self-report [4]. Across 14 full-text RCTs, 18 unique biomarkers were identified. The most commonly measured were plasma cortisol, salivary cortisol, and salivary α-amylase — three markers associated with hypothalamic-pituitary-adrenal and sympathetic-adrenomedullary stress reactivity. Music interventions showed a consistent trend toward reducing cortisol and α-amylase, and were also associated with increases in immunoglobulin A and oxytocin. The authors concluded that music has the potential to reduce both stress biomarker levels and subjective psychological stress, particularly in acute stress situations. The review was limited by the small number of eligible trials and variability in music protocols.

Anxiety: Lu et al. 2021 Meta-Analysis (32 RCTs)

This meta-analysis in Psychiatry Research evaluated music therapy's effect on anxiety across 32 randomized controlled trials involving 1,924 participants [5]. Music therapy significantly reduced anxiety at post-intervention (SMD −0.36; 95% CI: −0.54 to −0.17; p < 0.05). Subgroup analysis showed the intervention worked across age groups (under and over 60), in both developed and developing country settings, and with both shorter and longer treatment courses — with longer programmes (≥12 sessions) producing stronger effects (SMD −0.59). However, the anxiety reduction did not persist significantly at follow-up assessment in the subset of trials that measured it, suggesting that music therapy may need to be ongoing rather than time-limited to sustain benefit. The average treatment was 7.5 sessions over 7.75 weeks.

Cancer: Bradt et al. 2021 Cochrane Review (81 Trials, 5,576 Participants)

The largest and most comprehensive review in this field is the Cochrane systematic review by Bradt and colleagues, examining 81 randomized trials across 5,576 cancer patients [6]. Music interventions reduced anxiety by an average of 7.73 units on the Spielberger State Anxiety Inventory and reduced depression (SMD −0.41) and pain (SMD −0.67), with a small effect on fatigue (SMD −0.28). An important finding was that music therapy delivered by trained therapists produced more consistent and larger effects than passive music medicine for outcomes like fatigue and quality of life. The evidence certainty was rated as very low to low due to heterogeneity and risk of bias across studies — the authors note this does not mean the interventions are ineffective, but rather that the field would benefit from more rigorous and standardized trial designs.

Overall Evidence Assessment

The music therapy evidence base is unusually large for a non-pharmacological intervention: dozens of systematic reviews and hundreds of RCTs across diverse populations. Effect sizes for depression (SMD ~0.66), anxiety (SMD ~0.36), and pain (~1 point on a 10-point scale) are clinically meaningful, though not as large as those seen with pharmacological treatment in severe cases. The biomarker data confirms that subjective reports are accompanied by objective physiological changes. The main limitations are heterogeneity in protocols, short follow-up periods, and the difficulty of blinding participants in music trials. Taken together, the evidence supports intentional music use as a low-cost, zero-risk complementary intervention for pain, anxiety, depression, and stress — with stronger effects when sessions are led by trained therapists and when music is personally meaningful to the individual.

References

The Effects of Music on Pain: A Meta-AnalysisLee JH. Journal of Music Therapy, 2016. PubMed 27760797 →
Effects of music therapy on depression: A meta-analysis of randomized controlled trialsTang Q, Huang Z, Zhou H, Ye P. PLoS One, 2020. PubMed 33206656 →
Music Therapy in the Treatment of Dementia: A Systematic Review and Meta-AnalysisMoreno-Morales C, Calero R, Moreno-Morales P, Pintado C. Frontiers in Medicine, 2020. PubMed 32509790 →
Biomarkers of Stress in Music Interventions: A Systematic ReviewMitsui Wong M, Tahir T, Mitsui Wong M, Baron A, Finnerty R. Journal of Music Therapy, 2021. PubMed 33822108 →
Effects of music therapy on anxiety: A meta-analysis of randomized controlled trialsLu G, Jia R, Liang D, Yu J, Wu Z, Chen C. Psychiatry Research, 2021. PubMed 34365216 →
Music interventions for improving psychological and physical outcomes in people with cancerBradt J, Dileo C, Myers-Coffman K, Biondo J. Cochrane Database of Systematic Reviews, 2021. PubMed 34637527 →