Assertion: american baritone | /r/CapableOf | feature three valves
Facets:
value: on the front of the instrument
type: LOCATION
Source sentences:
text: The American baritone, featuring three valves on the front of the instrument and a curved, forward-pointing bell, was dominant in American school bands throughout most of the 20th century, its weight, shape, and configuration conforming to the needs of the marching band.