Concussion idiophone

Concussion idiophone (Fr.: idiophone par entrechoc; Ger.: Gegenschlagidiophon), 2 or more sonorous, complementary objects are struck together, such as sticks, clappers, castanets, cymbals (100). Hornborstel, E. M. von, and Sachs, Curt. “Classification of Musical Instruments,” translated by Anthony Baines and Klaus P. Wachsmann, in The Galpin Society Journal, Vol. 14. N.p., 1961.