My guess is that it will have SA voices.
The PSR-3000 had the Mega Voices that were on the T1...perhaps the S900 will follow suit with the SA voices that are on the T2.
Ian
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Cha d’dhùin doras nach d’fhosgail doras.
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.