e/Free-bass system

Information
has gloss	eng: A free-bass system is a system of bass buttons on an accordion, arranged to give the performer greater access to playing melodies on the left-hand manual of the instrument and to forming one's own chords, by providing a buttonboard of single-note buttons with a range of three octaves or more, in contrast to the standard Stradella bass system which only allows bass notes (range of a major seventh) and preset major, minor, dominant seventh, and diminished chords. The term "free-bass system" refers to various left-hand manual systems that provide this functionality :
lexicalization	eng: Free bass system
lexicalization	eng: free-bass system
instance of	(noun) a musical instrument that is played by means of a keyboard keyboard instrument

Media
media:img	Melodiebass.jpg
media:aud	YuriMedianikScarlattiSonataFDur.ogg