I still fail to hear any TRULY significant change in Yamaha's sound since the T2. Subtle improvements, yes. New sounds, yes. A paradigm shift in Yamaha's sound..? Not really.
I'm just not sure why ONLY everything else is supposed to be radically different each new model. If incremental improvements are good enough for Yamaha, they should be good enough for every other manufacturer, too.
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An arranger is just a tool. What matters is what you build with it..!