Hehuanxiao is a unique musical instrument of the Zhuang people. Although Hehuan Xiao is called Xiao, it is very unique. Although there is a blow hole at the end, there is no sound hole on the body. It is popular in the rural areas of southern Guangxi, such as Yongning County on the bank of the Yongjiang River in Guangxi Zhuang Autonomous Region. The structure of the aca...