I also agree with Simon about subtle changes in variations, but I would listen to all styles. Some are more subtle than others, some have more of a dramatic change.
Eric
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Genos, PSR-S970, TC Helicon VoiceLive3, Mackie 802-VLZ3 Mixer, 2 Bose L1 Pro16, Electro-Voice ZXA1 Subwoofer