This conversation between #AphexTwin and former #Korg engineer Tatsuya Takahashi has been making the rounds. For good reason.
http://item.warp.net/interview/aphex-twin-speaks-to-tatsuya-takahashi/
To me, the whole #microtuning part is not only interesting but useful and even important. A large effect of #pianocentrism is the (in)famous 12TET at 440Hz standard. A blip in human musicking, but a destructive one.