Assertion: bagpipe's drone | /r/CapableOf | use single reed
Facets:
value: to play constant notes
type: PURPOSE
Source sentences:
text: The drone rests on the shoulder of the player, and uses a single reed
text: The three drones use single reeds to play constant notes, with the tenor drones both playing one octave above the bass drone.
text: The single drone and single chanter have cylindrical bores and employ single reeds.