The only real "legend" that Roland seem to be noted for, as far as synths/keyboards go, is the Jupiter 8, so maybe they are re-creating it.

Or...

They are taking a page from Korg, and introducing a "Kronos" type instrument.

Whatever it is, I doubt very much if it will be an arranger.

Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.