Woah, this is great! When I read the title I thought you'd just be putting sensors under the keys to record your playing, or stripping out a really old piano, p

Woah, this is great! When I read the title I thought you'd just be putting sensors under the keys to record your playing, or stripping out a really old piano, putting speakers in the guts of it, and turning it into a digital piano inside an acoustic shell (a cool project idea in itself really). But this is something else entirely!