Yes indeed the right hand control is a great feature, wish I had it on my T3. The DGX 650 is a great keyboard for the price. I bought an older version the DGX 520 approx. 8 years ago, just for the 88 keys,,,trying to keep my piano chops up, taking a break from the 61 note keyboard. Great demos, Susan Albers really shows the DGX well.
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Tyros 3; Hammond XK3-C; Yamaha DX7 IID; Yamaha Stagepas 500 & KS50 (x2) Leslie 147(1971) Lots of other stuff