I have the XK-1 and LOVE IT! It is a great single keyboard, no frills B3 sibling. It has presets and a couple electronic "pianos" that can get you thru in a pinch, but basically it's just a great organ. You can split the keyboard and play right, left and/or bass. Great keyboard for under $1500.
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Riding on the Avenue of Time
cassp50@gmail.com