http://xbox.com/en-us/musicmixer/default.htm

pretty standard looking

looks a little better here

might be some interesting use of 2d compositing techniques here

it checks md5 sums on ripped cd audio, compares against a database, and brings up karaoke lyrics

'rave' mode. the dancers are supposed to be beat matched

also lets you watch pictures and upload video files to be used in the visualizations

controller pack plugs into memory card slot. standard 1/4" jack. unknown if more than one can be active simultaneously.

