I don't know why I really didn't mess with them before.. They sound much better than typical GM sounds. I think the Grand Piano on the XG set was better than the Grand Piano on the Casio MZ-2000 I used to own.. I like that the effects are already in the voice.

Squeak
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GEAR: Yamaha MOXF-6, Casio MZX-500, Roland Juno-Di, M-Audio Venom, Roland RS-70, Yamaha PSR S700, M-Audio Axiom Pro-61 (Midi Controller). SOFTWARE: Mixcraft-7, PowerTracks Pro Audio 2013, Beat Thang Virtual, Dimension Le.