Don't skimp on quality either - a good-quality accordion will give you better sound and be easier to play. Once you've mastered these techniques, you'll be able to make beautiful music with your instrument. What Is the Most Innovative Accordion on the Market?Accordions have been around for centuries, but what is the most innovative accordion on the market today? To answer this question, we must consider a few different factors. The two reeds are the most essential parts of the instrument; these are what produce sound when air passes through them.