Web Audio Theremin
Pretty procrastination for you.
"The web audio theremin is a touch friendly & responsive audio synthesizer built in javascript using the Web Audio API with HTML5 canvas. As the user interacts with the screen synthesized sounds are generated in the style of a moog theremin and the canvas displays a visual representation of the audio. The web audio theremin is a touch friendly & responsive audio synthesizer built in javascript using the Web Audio API with HTML5 canvas.As the user interacts with the screen synthesized sounds are generated in the style of a moog theremin and the canvas displays a visual representation of the audio." By Femur Design.
Via Guy. I think.