If you want to pull up your controllable parameters, either use the menu bar, or hit your command key and the "I" key. Hit "Esc" to exit.
There is an audio reactive setting in the parameters with controllable sensitivity, some scaling options, etcetera. It is the "massacre.qtz plus".
Compiled with Quartz Builder. Runs on OS X 10.5 or 10.6. It's available in my Box account on the side bar.