A lot more than 2000 a long time ago, the book Yue Ji also talked about the important part of music in regulating life harmony and strengthening health; "Zuo Zhuan" recorded the well-known Physicians from the condition of Qin plus the discussion that music can reduce and handle diseases: https://quotesaboutmusictherapy12222.answerblogs.com/32259315/details-fiction-and-music-therapy-brain