When playing solo I of course do use both sides. (and I sometimes use melody bass too, so you might say, it's an accordion so use the chord basses). But most of my work is geared towards groups of accordion players, and then it is very customary to have everyone play just the treble side, use a "fourth voice" for chords and a bass accordion for the base. Also with a band consisting of other instruments it's customary to just play the treble side of the accordion. There are exceptions though (I have played the Adios Nonino arrangement by Peter Kleine Schaars) with "wind band" and in that arrangement the accordion solo uses both hands. I make mostly arrangements for 5 accordion players and when 5 treble sides are not enough I do add the bass side.Really liked both of these. The purist in me really dislikes the fact that in the second video the bass buttons weren't touched. To me that's basically playing half the accordion. In other words, playing a keyboard but vertically.
I don't doubt she knows how to play the bass, and probably as aptly as the right hand, and that the backing guitars may conflict with the bass buttons - but it's an accordion. Play both sides.
They are not really videos, which is why I have not entered them in the contest. Besides, these are not the recordings I am most proud of. I am particularly proud of my Ouverture of Ruslan and Lyudmila () and several others. I only have a few real videos because it's too much work to create them, and my main goal is just to illustrate the arrangements I make. I did a few for fun, like a part of Mendelssohn's Piano Concerto opus 64 ().Very nice, Paul! You should enter these in the February contest!
Thanks for sharing