It's inspired by the "Excessor Machine" scene in Barbarella.
Photos in this album on TwistedImage.com (I didn't feel like waiting for the LiveJournal Scrapbook to do its slow upload):
Excessor Machine Gallery
Here's a link to a (very compressed--500K) Windows Media Video of the lights running on the bench
I'm bushed, I'm sore everywhere (stretching and stapling -- hundreds of staples -- vinyl upholstery onto the bench for several hours)... but the result is really something.