Silver gongs (Bom ya bac).

Silver gong is an old rare and precious object of Highlanders.

Un-similar to ordinary gongs, this is cast by alloy of silver and bronze, it is not necessary to use sticks to beat but to rub on the knop and control by wet hands held the inside face of gongs. Thus, the silver gong is also called “Chieng xoa” (rub gong). The sound of silver gong is clear and resound and souls of people in animate highlands of Tay Nguyen.