One of the neatest nuggets of knowledge that I have learned with sound is its ability to help us calm our nervous system... quite scientifically. There is an interconnectedness between our brain wave states, our breath rate, and our heart rate... basically when we can slow these down, we can release tension in the body allowing for healing - and ultimately harmony between the mind, body & soul... sound can help you get there. Let me explain why! Brain wave states - from ARGH