International Music Day 2025: Doctors explain how music heals your brain instantly On International Music Day, discover how music instantly alters your brain chemistry. Experts explain how songs release dopamine and serotonin, reduce stress, improve memory, aid healing, and even help in dementia or stroke recovery. According to doctors, music doesn’t just touch emotions; it alters your brain chemistry in real time. For patients with stress, headaches, or memory issues, doctors often recommend music therapy alongside medication. In India, singing bhajans or kirtans together offers not just calm but also community, which itself boosts brain chemistry by reducing loneliness and improving bonding.