G-Force is an audio visualization plug-in for a range of media players (only iTunes on Mac) that allows you to visually display your music and audio.
G-Force includes a host of impressive features such as anti-aliased effects, millions of effect combinations, savable and scriptable effects and video file export capabilities. You can also customize and extend G-Force in various ways.
G-Force is basically a mathematical application which takes sounds and turns them into images. It makes an impressive piece of eye-candy but with one drawback. You have to pay an annual subscription to keep using it which will no doubt put off many users. It's therefore probably more appealing to professional DJs and other performance artists that need a visual display to accompany music.
G-Force is an impressive application but will probably appeal more to professionals than general users.
G-Force supports the following formatsWindows Media Player
iTunes (Mac OS X)
J. River Media Center
Quintessential Media Player