The PSR-EW310 features a newly developed tone generator that delivers stunning improvements in sound quality as well as high-quality effects. You can enjoy a comprehensive library of 622 instrument Voices perfect for playing in any genre you choose, as well as unique Super Articulation Lite Voices that reproduce the subtle nuances of stringed instruments such as the cello and mandolin that are typically difficult to emulate on a keyboard instrument, delivering realistic and authentic performances.