Thing is, the money Yamaha have wasted on this boondoggle causes them to fall further and further behind when it comes to drum realism.
The T5 will definitely show what Yamaha are thinking... If there are a bunch of really good new KITS, that can be used on any legacy style, then they will have woken up to reality. If they waste their time adding the audio drums to the Tyros line, and don't make a major addition of new, punchy kits, we will know they really don't care.
Admittedly, there seems to be quite a market for insipid sounding percussion, given their sales numbers, but adding a bunch of punchier kits, that you could substitute for the usual flaccid ones would show they are interested in taking a chunk out of Korg and Roland's sales. Currently, it appears they just don't even want to compete.
Maybe they have the market nailed? From listening to user demo after user demo that mixes the drums so far back, it is darn near impossible to tell WHAT they sound like, perhaps Yamaha have simply decided to eschew realism, and go for the 'more me' crowd, and concentrate on the RH sounds..? LOL
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An arranger is just a tool. What matters is what you build with it..!