The piece of music that the poster refers to is from the music of Fairy 4: "Fairy Demon Chaos﹒" "Change of Tune" I will provide you with a download address below: /web/category.html?uin=tzsjay&category_id=1374. After entering, find the resource list and download "Sword and Sword 4 All Music (73 Songs/MP3 Format)" in the resource list. This is a compressed package that contains all the music of Xian 4, including of course the "Xian Yao Luan" you are looking for. "Transformation"~~After downloading, unzip it and it will be OK. You can find the "Fairy Demon Chaos" you need from it. "Change"; From now on, you have all the music of Youxian 4, and you no longer have to worry about downloading the music of Youxian 4~