Biwang is a Tibetan bow and stringed musical instrument. Tibetan is also called Biyong, Biyang, Bawang, Ri'aza, Zeze, Zani, etc. due to different dialects. The Han people call it Xianzi, Niujiaohu or Huqin. It has a relatively long history, and its shape is basically the same as that of the Han nationality erhu. It has a bright pronunciation and beautiful timbre. In ancient Tibet,...