The four hus of the Yi nationality are bow-drawn strings and musical instruments. Compared with the Han and Mongolian Sihus, the size is smaller and the sound is crisp and bright. Popular in Chuxiong, Yongren and other places in Chuxiong Yi Autonomous Prefecture, Yunnan Province. The shape of the Yi Sihu is similar to the Jinghu. The qin tube is cylindrical, mostly made of a bambo...