Those source codes are seven years old. They will not work anymore as is. If anything, they will require changes to work in the latest Processing version, not to mention the required libraries (which may not be available for the latest Processing version).

I suggest trying out the Processing examples a bit, learning more about Processing. Take a look at the Minim examples that display audio-reactive graphics. Once you have learned more, you may be able to take these old sketches and use them as inspiration for a new sketch.

Also, beware of generic questions like " Can anyone explain to me how all this works" because they are impossible to answer.

Minim is the built-in audio library Processing uses.

So I guess that means I would have to look at the website or is there some tutorials out there that would help me overstand this better? And hearing that the age of the codes wouldn't matter is a relief, it would make sense that they wouldn't be too much of a issue depending on age--CODING SOFTWARE maybe, but not the age.

Any helpful links that might be of assistance to make it easier for me? I will look on my own but having someone with experience give me some sources that have helped doesn't hurt either.

http://processing.org/tutorials/
http://processing.org/examples/

i KNOW about the resources on the website. I was hoping for something MORE than that, like some video tuts or something a bit more visual to help me see what's happening step-by-step, like the youtube vids:


http://www.youtube.com/results?search_query=Minim+Audio+%2B+Processing+tutorials&oq=Minim+Audio+%2B+Processing+tutorials&gs_l=youtube.3...22890.24127.0.24464.10.10.0.0.0.0.137.1026.4j6.10.0...0.0...1ac.1.11.youtube.AEGV4DL_A_8

Thanks for the help.