The Aeon Screen Saver is included for free with the Platinum license, allowing the visuals to run whenever your computer is idle.
A dedicated application that allows you to visualize any audio source on your computer, including internet radio, microphones, CDs/DVDs, and line-in audio for live performances. Aeon Screen Saver: soundspectrum aeon platinum full
Think of it as LSD for your monitor, but entirely legal and customizable. The Aeon Screen Saver is included for free
Here is how to get the running safely: