Such as dong, the Yao people strike the membrane to sound the musical instrument. In Yao language, "ru" means drum, "dong" means small, and "rudong" means small drum. It is popular in Fangcheng Autonomous County of Guangxi Zhuang Autonomous Region. The drum frame is made of a whole section of camphor wood hollowed out. It is flat and round. Both ends are covered with cowhide or goat skin. The edg...