Struck Idiophones
Struck Idiophones include two basic types, those that are directly stuck and those that are indirectly struck.
Directly struck idiophones include: #1 Struck by a non-sonorous striker, which may include triangles, gongs, bells with clappers, and xylophones played with mallets. #2 Concussion idiophones, which consists of two or more complementary sonorous objects being struck together, such a crash cymbals, castanets, clappers. Most of these instruments have no discernible pitch.
Indirectly struck idiophones produce a cluster of sound with no perceived individual stroke. They include: #1 Shaken objects, such as rattles. #2 Scraped objects that involve the movement of a non-sonorous object along the notched surface of a sonorous object, such as a rasp.
Following are instrumental types of struck idiophones: Balafons; Bells, Metal; Bells, Wooden; Clappers; Gong Beaters; Gongs, Metal; Gongs, Wooden; Rasps; Rattles; Rattle Adornments; Rattles/Sistrums; Slit Gongs; Tappers
