With an old speaker, a laser pointer, and a few other common items you can make your own laser light show that is driven by music. And if it doesn't work, you can still use the laser to put your eye out.

One day, some guy got bored at around Christmas and decided to mess around with the outside lights... The Song I am Santa, is by Bob Rivers and is a parody of the song Ironman by Black Sabbath

From Youtube: A light show in Halo 3. Please watch until the end, the scenes get progressively better. :)

"Artists included Project Blinkenlights, a Berlin arts group that turns the lights of a building into images. The group lit up Toronto City Hall in a display that was visible from the square outside.....Organizers... more inside

I'm not a big fan of Los Angeles, or at least not the living here part, but this video makes the place look like something better than how I see it. From Y/T: "Rivers of Light is a dazzling light show... more inside

Great show at OXA Zurich.

Awesome performance and stunning light show from my favorite band. I am not 100% sure but this looks like the PULSE performance that others have posted videos from.