Great thread! I come to it from a slightly different angle. For some time now I have been looking at the idea of a system that would allow the dancer to “play” an instrument based on his/her movements. I think this idea was inspired by watching this:
But in my head the way of controlling the sound should be seamless with the natural motion of the dancer, without the need for an interface that can bee seen in the video above. I have been experimenting with Laban Movement Analysis and I feel like using Effort Factors for sound control might be a way to go. I have been also working with Kinect and Computer Vision. It seem that I need to put this all together and find a dancer that would be interested in collaboration 
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