This is Indigenous people Art Group Band equipment. Kong Cheng it’s naem Call in Krung ethnic language, because they are 12 kongs to beat as one group in difference sound mix in music. Now a day Kong, are still popular used of this music in Cambodia country. Especially, at southeast country there are indigenous people alive. Kongs, they all way performance when they have party or ceremony. They are picture in IPs Culture Bureau at Yak Lom Lake in Ratanakiri province.