The timbre of bili is either high-pitched and crisp, or sad and mournful, with distinct texture. As a part of Hu Le, it was spread to the Central Plains via the Silk Road, and it was also loved by people. In the evening of that day, An Wanshan, a musician of the Hu people, faced the sunset light hidden by the yellow sand, and blew his scorpion again. The desolate and sad sound made the poet ...

Modern pipes are composed of whistle, intruder and pipe body. The small tube whistle is made of reed, one end is tied with a thin wire, the other end is flattened, and it is directly inserted into the upper end of the tube, with a higher pronunciation; the large tube whistle is made of bamboo and inserted into the intruder. The intruder is made of copper, tapered, and inserted into the upper en...