Assertion: concertina's button | /r/HasProperty | pressed
Facets:
value: from the way
type: OTHER
value: simultaneously
type: MANNER
Source sentences:
text: The third button down (ring finger) on the middle row on left-hand side when pressed is C, the first button (index finger) on the middle row also on the left-hand side is G.
text: When a button is pushed, multiple notes, or chords, are sounded.
text: To play an "a minor" seventh chord (with an added ninth), the "a minor" and "e minor" preset buttons are pressed simultaneously, along with an "A" bassnote.
text: To play an "e" half-diminished seventh chord, a "g minor" preset button is pressed along with an "E" bassnote.
text: The diatonic button accordion is bisonoric, meaning when a button is pressed, the note sounded changes depending on whether the bellows are being expanded or contracted.
text: The reed responds very differently if there is a little pressure already in the bellows when the button is pressed from the way it does if the button is already down when the pressure starts to build.
text: An English concertina is described as unisonoric as it produces the same note when the button is pushed and drawn and the German and Anglo are bisonoric as they produce a different sound when the button is drawn or pushed.