Here is a wearable system that lets you make music with your body. As the name suggests, DrumPants 2.0 allows you to use all four limbs to make music in a whole new way. You can wear it under or over your clothes to get started. DrumPants supports iOS, Android, and Windows machines.
DrumPants can be used to play games, interact in a virtual reality environment, and do a whole lot more. DrumPants are an Arduino-compatible device and will have customizable hardware and firmware. You can find out about DrumPants on Indiegogo.