Created this for my final University project from GEM's particle library. The video here is projected about 3m tall (note the door to the right).
Video:
It's controlled by a system I developed that accepts audio input to modify particle behaviour. The scenes are programmed and sequenced, and then the audio input creates the majority of the movement you see.
You can download the patch here:
https://drive.google.com/file/d/0B03CDBgNt4_sYldyT3k0SFEwYUk/edit?usp=sharing