There isn't a hill of beans difference between the sound of styles on either machine. However, I do like the guitars better on the Yamaha, while the piano sounds a bit fuller on the Korg.

Gary cool
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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!

K+E=W (Knowledge Plus Experience = Wisdom.)