Assertion: percussion instrument's sound | /r/CreatedBy | vibrating columns of air
Facets:
Source sentences:
text: An ancient Hindu system named the Natya Shastra, written by the sage Bharata Muni and dating from between 200 BC and 200 AD, divides instruments into four main classification groups: instruments where the sound is produced by vibrating strings; percussion instruments with skin heads; instruments where the sound is produced by vibrating columns of air; and "solid", or non-skin, percussion instruments.
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").