Dongdongku is a Tujia single-reed air-sounding instrument. In Tujia language, it is called Zaogude, also known as Dadaili. It is popular in Longshan, Sangzhi, Baojing, Yongshun, Xiangxi Tujia and Miao Autonomous Prefecture, Hunan Province, and Laifeng and Hefeng, Hubei Province, Hubei Province. Dongdongku has a long history. According to legend, when Qin Shihuang built the Great...