I think it was called Slinkee Halloween Ball, it was a time lapse video from 2004 or before of the complete setup, party, and cleanup. It was long before the days of youtube when you would actually download the avi
There was two laserscopes indoors. It was really awesome, i would like to see this again.
PS: I am digging up all my old videos and I found a video from Zen Fest 1998 in Zephyrhills Florida. A company called "Laser production network" (or thats what it said on the flyer book) was wildly scanning a massive argon and a laserscope through the air. It looked quite awesome