Kaleidostrobe is a visual plug-in for iTunes on Mac OS X. It generates multi-layered animated kaleidoscopic patterns that are beat synched to music. It works best with music that has a prominent beat with lots of bass, but it is fun to watch with all types of music.
Mac OS X 10.1
||Mac OS X 10.1.4 or higheriTunes 2.0 or higherHardware Accelerated OpenGL Graphics Card (ATI Rage Pro or better)