Not bad...sounds a little chorusy in some places, and the decay is rather short, especially noticeable in the first piece.
Good bottom end, and very nice and sparkly on top....a little thin in the middle, but still nice.
I'd say it is a Korg piano...not stock...probably modified on a PA series.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.