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.