Thérémine
Thérémine generates high quality audio from an USB Arduino Theremin
Thérémine is an audio program which reads realtime pitch and volume data from an USB Arduino Theremin, and generates high quality audio signal emulating a realistic instrument. It was originally designed to work with an Open.Theremin.UNO shield (see http://www.gaudi.ch/OpenTheremin), although it should work with other Arduino devices as long as you provide an appropriate program.
Thérémine can play a variety of different tones. It comes with another program, Loop bank manager, whose purpose...