Assertion: percussion instrument | /r/MadeOf | wood
Facets:
Source sentences:
text: Among the percussion instruments made of wood we can mention the castanets and percussion sticks that produce their sound crashing their parts; the maracas that have small components inside the instrument; and the guiro, made of cane with small grooves by which a stick of wood or another material is rubbed.
text: An ancient system of Indian origin, dating from the 4th or 3rd century BC, in the Natya Shastra, a theoretical treatise on music and dramaturgy, by Bharata Muni, divides instruments into four main classification groups: instruments where the sound is produced by vibrating strings (tata vadya, "stretched instruments"); instruments where the sound is produced by vibrating columns of air (susira vadya, "hollow instruments"); percussion instruments made of wood or metal (Ghana vadya, "solid instruments"); and percussion instruments with skin heads, or drums (avanaddha vadya, "covered instruments").