It's pretty easy to turn style parts off on a Korg or Yamaha and thin out the style.

On the T3 and S910, you can have the instrument remember what parts were turned off when you select a new style.

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