Assertion: oboe | /r/HasAspect | two of octave keys
Facets:
Source sentences:
text: Most oboes have two of octave keys, though some have three.
text: When the Oboe has 2 octave keys, they’ll yield pitches ranging from A5 – C6 & E5 – G#5.
text: Most oboes have two octave keys -- the thumb octave key and the side octave key.
text: Most oboes have two of octave keys, though some have three.