Normally I'd expect Stu to be the one telling us about interesting adventures in woodworking happening in Japan...
But my brother just sent me this. More than a little cool
Touch Wood in a Japanese Forest with Bach
(a wooden ball rolls down a ramp, repeated dropping on bits of wood that are tuned to play "Jesu joy of man's desiring"
Or just jump straight to the youtube video (the above link also has a brief "making of" video):