Half puzzle & half music, Auditorium involves particle manipulation to play a beautiful ambient instrument.
A psychedelic visual response through audio input. Ultragroovalicious and other plug-ins electrify the waveforms.
This creates an in-game harmony so that visual and auditory components are not two experiences, but one.
For those of you who prefer Winamp over iTunes, you can still trip on the bundled and plug-in visualizers.