1.It is an percussion instrument 2. It has pitches that ascend 3. It has pitches that descend 4.The songs is mild overton The Opera Gong is an percussion instrument and one kind of Big Gongs, the size of which is bigger than others. Since the "opera" is pronounced "jing" in Chinese, the Opera Gong also can be called "Jing" Gong. Many people think it's the same as "Su" Gong because the ...