Kentaro writes with exciting DIY news from Japan: "TENORI-ON is one of the coolest electric musical device: it is portable, easy to play and good for audio-visual performance. But I have not purchased it yet because it is expensive and a shortage in Japan. That is the reason why I made an unplugged version of TENORI-ON, so-called 'TENORI-OFF'" Exemplary hacking skills, Kentaro.