Assertion: bass accordion | /r/CapableOf | overcome melodic restrictions
Facets:
value: by providing extra buttons
type: MANNER
Source sentences:
text: Most of the rows in traditional “fixed-bass,” or Stradella, models give three-note chords—major and minor triads and dominant and diminished sevenths—while “free-bass” accordions overcome melodic restrictions by providing extra buttons or a converter switch for bass melodies and counterpoint.