For instance, rock music requires more aggressive playing with high volume while classical pieces often require softer tones with minimal distortion. (Also,) experiment with different combinations of notes and chords to find which ones work best for you!Moreover, pay attention to how you're holding your accordion when playing it. The sound produced by this kind is often richer and fuller than that created by the diatonic model as well!Finally we have the free bass accordion. Don't be afraid to push it up a bit - just don't go overboard! Thirdly, try adding reverb or delay effects. First off, there's the classical style.
How to Enhance Your Music with an Accordion