Assertion: clarinet's sound | /r/CreatedBy | lips vibrating
Facets:
value: in a mouthpiece cup
type: LOCATION
value: as with the brass instrument family
type: OTHER
Source sentences:
text: Although most saxophones are made from brass, they are categorized as woodwind instruments, because sound is produced by an oscillating reed (traditionally made out of woody cane) rather than lips vibrating in a mouthpiece cup as with the brass instrument family.