Assertion: concertina's button | /r/CapableOf | play same note
Facets:
value: on push
type: TEMPORAL
value: on pull of the bellows
type: LOCATION
value: on pull
type: LOCATION
Source sentences:
text: It’s unisonoric which means each button plays the same note on the push and pull.
text: The English concertina is fully chromatic and each button plays the same note on both push and pull of the bellows.