Assertion: accordion | /r/HasAspect | button
Facets:
value: unlike the modern versions
type: OTHER
value: on the right-hand side
type: LOCATION
Source sentences:
text: All accordions have a button keyboard on the left-hand side for bass chords, but on the right-hand side, where the melody is played, they can have either piano or button keys.
text: The first instrument named accordion was patented by the Austrian-Armenian inventor Cyrill Demian in Vienna; however, unlike the modern versions that are popularly used now, this accordion only had buttons, rather than a keyboard and the right hand operated the bellows.
text: The accordion can also have buttons instead of keys.
text: The accordion can also have buttons instead of keys.
text: An accordion is a hand-held musical instrument that has a keyboard or buttons and a bellows that blows air in and out.