Assertion: concertina's button | /r/CapableOf | produce note
Facets:
value: elsewhere on the keyboard
type: LOCATION
Source sentences:
text: : refers to an instrument on which each key or button produces a single note, as does unisonoric (recently coined as the counterpart of bisonoric) reversal : on a single-action instrument, a button or key which produces a note available elsewhere on the keyboard, but obtained by using the opposite bellows direction
text: Most diatonic button accordions have a "single-action" (or bisonoric) keyboard,[citation needed] meaning that each button produces two notes: one when the bellows are pressed or pushed (closed) and another when the bellows are drawn or pulled (opened).
text: Additionally, each button will produce one note, as opposed to many accordions which have the ability to produce chords with a single button.
text: : on a single-action instrument, a button or key which produces a note available elsewhere on the keyboard, but obtained by using the opposite bellows direction accidental: any note of the chromatic scale outside the diatonic scale(s) of a DBA's "home" key(s)
text: When the bellows are pressed, every button produces a note from the major triad of the home key; in this case, the pattern CEG repeats itself throughout the keyboard.
text: Because each button produces two notes, the diatonic scale can be covered in four buttons on a melody row.
text: Since there are seven notes in the diatonic scale, and since each button produces two notes, the note pairings on the buttons change in each octave.