I'm sure one of the many new Korg PA3X owners would be more than glad to show you how the Chord Sequencer works, Donny.
I have sent your recommendations to Yamaha already, so, let's hope you get what you want in a future Tyros or PSR.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.