This observational study tracked 62 adults through a single Tibetan singing bowl meditation session, measuring mood, tension, anxiety, physical pain and spiritual well-being before and after. Participants reported significantly lower tension, anger, fatigue and depressed mood after the session (all p < .001), alongside a significant rise in spiritual well-being. Those new to this style of meditation showed an especially large drop in tension compared with experienced practitioners. The authors conclude that singing bowl meditation is a feasible, low-cost intervention for reducing tension and supporting well-being, particularly for first-time participants.

Goldsby et al., 2017 · Singing bowl sound meditation

This Cochrane systematic review pooled 26 randomised trials with 1,369 coronary heart disease patients to assess whether listening to music reduces stress and anxiety. Across studies, music listening produced a small but consistent reduction in anxiety, especially in people who had had a myocardial infarction and in those allowed to choose their own music. Modest improvements were also seen in systolic blood pressure, heart rate, respiratory rate and pain. Quality of evidence was mixed, so the authors frame music as a useful complementary intervention rather than a substitute for standard cardiac care.

Bradt, Dileo & Potvin, 2013 · Music for CHD patients

In this randomised controlled trial, 60 participants listened to 25 minutes of Mozart, Strauss Jr., or ABBA while researchers measured blood pressure, heart rate and serum cortisol. Mozart and Strauss produced clear drops in both systolic and diastolic blood pressure (around −3 to −5 mm Hg), whereas ABBA did not show the same effect. Cortisol fell significantly across all three groups, suggesting that the act of attentive music listening itself reduces physiological stress regardless of style. The authors argue that classical instrumental music with predictable structure may be particularly useful as a non-pharmacological adjunct for blood pressure management.

Trappe & Voit, 2016 · Cardiovascular effect of musical genres

This meta-analysis pooled 10 randomised controlled trials examining whether music interventions improve sleep in adults with acute or chronic sleep disturbance. Across the trials, music listening produced a statistically significant improvement in sleep quality, measured most often by the Pittsburgh Sleep Quality Index. Benefits were stronger in studies that ran the intervention for longer periods (typically three weeks or more) and that used calm, slow-tempo music. The authors conclude that music is a safe, low-cost intervention worth offering alongside standard sleep care, while acknowledging variability in study designs.

Wang, Sun & Zang, 2014 · Music therapy and sleep

This theoretical review examines why group music-making appears to bond humans together, focusing on two proposed mechanisms. First, moving in synchrony with others blurs the cognitive boundary between self and other, increasing feelings of closeness and cooperation. Second, the physical exertion of singing, drumming or dancing triggers release of endogenous opioids (endorphins), which the authors link to elevated pain thresholds and feelings of euphoria observed in group musical activities. They argue that music likely evolved partly because it allowed early humans to form and maintain larger social groups than grooming alone could sustain.

Tarr, Launay & Dunbar, 2014 · Music and social bonding

This meta-analysis pooled randomised controlled trials of music listening for pain, drawing on studies published between 1995 and 2014 across acute, procedural and chronic/cancer pain contexts. Music interventions produced statistically significant reductions in self-reported pain intensity, emotional distress about pain, and analgesic medication use. Effects were larger when patients chose their own music and when music had a slow tempo and low rhythmic complexity. Lee concludes that music is an effective complementary approach to pain management with essentially no side effects, though it should supplement rather than replace pharmacological treatment.

Lee, 2016 · Music-induced analgesia in chronic pain

This narrative review surveys ancient and Eastern integrative practices increasingly studied for stress reduction, including Tibetan and crystal singing bowls, yoga, Qigong, Tai Chi and acupuncture. The authors trace the cultural origins of vibrational sound healing and summarise modern empirical evidence — including their own earlier singing bowl study — showing measurable drops in tension, anxiety and depressed mood. They highlight stress as a near-universal driver of chronic disease and frame sound-based practices as accessible, low-risk tools for everyday self-regulation. The review calls for larger controlled trials, longer follow-up, and standardised protocols to clarify dosing and mechanism.

Goldsby & Goldsby, 2020 · Sound healing for stress