* http://weare.buildingsky.net/processing/beat_detektor/beat_detektor.html
* http://bocoup.com/core/code/firefox-audio/html-sings/audio-out-music-gen-f1lt3r.html
* http://www.storiesinflight.com/jsfft/visualizer/index.html (Demo by Thomas Strum)
* http://weare.buildingsky.net/processing/pjsaudio/examples/sequencer.html (video [http://vimeo.com/8872848 here])
* http://weare.buildingsky.net/processing/pjsaudio/examples/osc4.html