Assertion: clarinet's bore | /r/HasProperty | seventh hole
Facets:
Source sentences:
text: Common features of the surviving instruments include: a narrow cylindrical bore (except the Göttingen recorder); a doubled seventh hole for the little finger of the lower hand to allow for right- or left- handed playing (except the Tartu recorder); a seventh hole that produces a semitone instead of a tone; and a flat or truncated head, instead of the narrow beak found on later instruments.