Assertion: contralto's voice | /r/CapableOf | enable the singer
Facets:
value: to sustain an atypically higher tessitura
type: PURPOSE
value: to sustain highly ornamented lines
type: PURPOSE
Source sentences:
text: True coloratura contraltos are very rare – the lightness of the voice that enables the singer to sustain highly ornamented lines and an atypically higher tessitura is at odds with the more traditional understanding of the weight of the contralto voice.