“…Given the role that neuro-transmitters, hormones and the limbic system play in pain according to the NM theory, it is highly relevant that music has been shown to affect the release of endorphins ( 29 – 37 ), dopamine ( 38 , 39 ) and serotonin ( 40 , 41 ), and decrease cortisol levels ( 39 , 42 – 47 ). A recent review ( 45 ) of 400 published scientific articles investigating music as medicine found strong evidence that music has effects on brain chemistry, has mental and physical health benefits on management of mood and stress reduction, and that it is the rhythmic stimulation of music, rather than the melody, that has the greatest antipain effect in the brain.…”