Sound therapy is a relatively new healing technique that …

https://www.musical-u.com/learn/harnessing-power-voice-sound-therapy/
Sound therapy is a relatively new healing technique that employs the vibrations of the human voice to go beyond relaxation and foster healing. There is no tool more powerful for healing than the human voice… With Constig https://www.musical-u.com/learn/harnessing-power-voice-sound-therapy/