Grammy-winning electronic artist Imogen Heap recently launched a Kickstarter project for the Mi.Mu gloves, capable of creating music with various hand gestures.
See: Engineering Update #53: Becoming a music glover
The Mi.Mu gloves include an IMU motion tracker along with a gyroscope, accelerometer, and magnetometer.
The gloves can track the orientation of your hand, finger flexing, hand posture, and directional movements, and the information is transmitted to your computer over WiFi.