1.heavy tuned overtones 2.long sustain 3.sound like the coil chimes Wind gongs are flat bronze discs, with little fundamental pitch, heavy tuned overtones, and long sustain. They are made of Electrolytic Copper and Tin, Traditionally, a wind gong is played with a large soft mallet, which gives it a roaring crash to match their namesake. They are lathed on both sides and are medium to large in ...