This guy has been making music controlled LED items, boxes and wrist bands. https://www.kickstarter.com/projects/markusloeffler/lumiband-the-music-controlled-l

This guy has been making music controlled LED items, boxes and wrist bands. https://www.kickstarter.com/projects/markusloeffler/lumiband-the-music-controlled-led-wristband https://www.kickstarter.com/projects/markusloeffler/lumiband...