What are the sounds of having everything in mess and how it differs from order? Finally, are there any abstract, uncommon ways to compare different surroundings? These questions seem difficult to answer... Musi was designed to answer them in form of unique audio device. It doesn’t require from user any knowledge about musical composition, actually you can learn something by messing with the device and objects around.
Full article: http://www.arduino.org/makers/8-makers/musi
Project main website: https://www.behance.net/gallery/31993625/Musi-hear-the-melody-of-space