Audio Visualisation Links
Project M: http://sourceforge.net/projects/projectm/
Music Visualizer (OpenProcessing): http://www.openprocessing.org/sketch/5989
Music Visualization Info: http://stackoverflow.com/questions/3148008/music-visualization
CubicVR: http://www.cubicvr.org/
Open Visualisation Platform: https://code.google.com/p/openvisualizationplatform/
Vovoid: http://visuals.free.vovoid.com/
Music Visualizer in HTML: http://gskinner.com/blog/archives/2011/03/music-visualizer-in-html5-js-with-source-code.html
Milkshake: http://gattis.github.com/milkshake/
Audio for Video Games: http://www.gamecareerguide.com/features/696/adaptive_audio_a_beginners_guide_.php?page=5
Echoprint: http://echoprint.me/
Modular Audio Recognition: http://sourceforge.net/projects/marf/
Music Fingerprinting: http://musicbrainz.org/doc/Fingerprinting