I am going to be attending a party with a live band. What i'd like to do is have iTunes visualizer running with the live music from the band. I want to know how I can have the live music playing in iTunes and use the visualizer going along with the live music. (I would have the computer on mute.) I know of a program called G-Force that has a visualizer that is "better" than iTunes and does what I want to do if you buy the most expensive version. Is there a different program that does this without costing $30? Thanks in advance.