Blair Neal of Troy, NY, wrote in to share this excellent project:
A demo video of my installation that uses an old overhead projector, a camera, some markers and a laptop and turns it all into a playful art piece. It is essentially an inverse color organ that you can play like a player piano. You can draw crazy things for fun or make more complex songs if they look more MIDI-sequencer like. Developed in Max/MSP and Jitter.
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