Discouraged by high prices and limited availability, Kentaro knew his chance at owning one of the much-sought-after Tenori-On electronic instruments were slim-to-none. Undaunted by those obstacles he created his own version – free of those extraneous LEDs, function buttons, chips, and well … electronics in general.

Hey – everybody loves the feel of popping bubble wrap! He even wrote up a how to for making your own – TENORI-OFF [via Music Thing]

Musical LED panel…