Visual Scratching

Very funky visualisation of vinyl scratching - looks like on a G$ powerbook. Imagine a club's lighting rig projected over/above a crowd with this level of response to any sort of club music - but particularly imagine a turntablist feast of scratchtastic, light-jumping visual-chaos - well, it looks pretty sick in my head...

Oh yeah, and if you can code the visualisation of that, then it can't be hard to log the scratches, and from there create a library of your DJ sets - to licence out? to share/compare online web2.0 style - ratemyscratch/ratemyvisualscratch.com - or maybe battle a visualised playback of another one of your sets - or even a scratchified version of Chess's Big Blue vs Mankind DJ battle series...?