Assertion: bassoon | /r/HasAspect | key
Facets:
value: to help the player
type: PURPOSE
value: commonly
type: TEMPORAL
Source sentences:
text: Bassoons have keys to help the player to cover all the holes, but these keys do not use the Boehm fingering system like the other woodwind instruments.
text: Quick googling shows that the bassoon has no key, which is strange to say the least.
text: My bassoon has ten keys that must be played with my left thumb, five for my right.
text: Up until the end of the 18th century, bassoons commonly had just three or four keys.
text: Bassoons have keys to help the player to cover all the holes, but these keys do not use the Boehm fingering system like the other woodwind instruments.
text: Bassoons have keys to help the player to cover all the holes, but these keys do not use the Boehm system like the other woodwind instruments.
text: Bassoons have keys to help the player to cover all the holes, but these keys do not use the Boehm fingering system like the other woodwind instruments.