Perfect for coming up with song sketches on those long drives in the tour van between gigs and performing avant-garde dance folk live. It's sort of like the Monome, but easier for the beginner to grasp.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.