Assertion: contralto's range | /r/CapableOf | play such an important role
Facets:
value: in classifying singing voices
type: OTHER
Source sentences:
text: Vocal range plays such an important role in classifying singing voices into voice types that sometimes the two terms are confused with one
text: Vocal range plays such an important role in classifying singing voices into voice types that sometimes the two terms are confused with one another.