Much more than 2000 several years ago, the book Yue Ji also talked about the essential role of music in regulating life harmony and improving health; "Zuo Zhuan" recorded the popular doctors from the condition of Qin and also the discussion that music can avoid and deal with disorders: https://dogs-music-therapy35667.losblogos.com/31364222/the-ultimate-guide-to-music-therapy-ohio-university