Assertion: banjo's resonator | /r/HasAspect | the classification number
Facets:
Source sentences:
text: Hornbostel-Sachs divides chordophones into two main groups: instruments without a resonator as an integral part of the instrument (which have the classification number 31, also known as simple); and instruments with such a resonator (which have the classification number 32, also known as composite).