Assertion: concertina's button | /r/CapableOf | produce same note
Facets:
value: on the push
type: TEMPORAL
value: irrespective of
type: OTHER
Source sentences:
text: Both are unisonoric and play a chromatic scale, with each button producing the same note irrespective of whether the bellows are being pushed or pulled.
text: Full chromatic instrument with each button producing the same note (sound) on the push and pull direction of the bellow.