In the 1970s, in the Chuxiong Yi area of Yunnan, my country, a unique folk musical instrument appeared, the inch flute. According to legend, its creator is Qi Ruyun, a young Yi nationality. That year, Qi Ruyun chopped up the bamboo of the mountain, and after careful selection of materials and careful operation, he made a small and exquisite Qilu. Just when he was glad for his su...