It's tested only on Vista Home Premium, but it should work on XP as long as you have Windows Media Player 11 and the DirectX 9.0c redistributables installed.

This project uses DirectX 9.0c to do the 3D rendering, and integrates with Windows Media Player. This interactive 3D spectrum analyzer not only provides an audio visualization that is appealing to the eye, it also shows some details of how sounds change over time to help us understand more about how audio works. As a techie and an audio/music enthusiast, I like to see the technical details of everything, even my music. When you are listening to your favorite song, a little visual entertainment just makes your favorite song even more enjoyable.