My favorite thing about this is that he's extremely good at playing it. I also have an instrument app that allows for continuous pitch + autotuning (http://www

My favorite thing about this is that he's extremely good at playing it. I also have an instrument app that allows for continuous pitch + autotuning (http://www.iansimon.org/fingrophone/ http://www.iansimon.org/fingrophone/), but his looks like it allows for way more expressivity.