This is a little harder to do but you get used to it quickly....if you hold down four consecutive keys, for example, C C# D D#, only the bass line (which would keep playing on a C note, in this case), and drums will play....hit the chord again and you're back to entire complete style.
Ian
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Yamaha Tyros4, Yamaha MS-60S Powered Monitors(2), Yamaha CS-01, Yamaha TQ-5, Yamaha PSR-S775.