Gong bass drum
(重定向自Gong Drum)
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A gong bass drum (or simply 'gong drum') is a musical instrument in the percussion family. It is a type of drum which uses a single large drumhead in order to create a loud, resonant sound when struck. The head can be tuned as loose as possible to avoid any sense of pitch in the sound, or tensioned more tightly to produce tympani-like tones..