My boyfriend sometimes hosts parties and has collected lighting for a little while. He has a couple black lights, a 'mirror' light thing that spins, and a few smaller LED changing lights which he connects to his computer and they respond to music based on an algorithm program. (He works with computers and I don't really know how the whole thing works)
Anyway, I saw a similar project to this on Instructables, but after some research discovered that the specific way they made the project would cost over $2000... so I found a way to make it myself without using their specific pieces. (I think my project may have ended up being around $40 - 60 total, not including the items I already had on hand, like the freezer paper, paint, and soldering stuff)
Here it is without the lights:
And here's a video: http://www.youtube.com/watch?v=G99y6shZOFA
a tl;dr explanation if you want to read about the project
The painting is one of Lichtenstein's brushstrokes. My bf isn't really that into art but he does have a lot of paneled paintings (his brother is a painter) and a large 'pop art' painting in similar colors. Plus I wanted a simple design where he could have some art when it was turned off but something where the painting didn't take away from or cover up the lighting. I stenciled the black parts using freezer paper (after I had already made the frames and stretched the fabric) and then hand-painted in the yellow parts. The fabric is just thin muslin I found at Joanns. I made the frames out of square dowel rods I got at the hardware store. The outside ones are .5" x 2" and the inside one is 1" x 2". The lights are LED ribbon lights and it reacts to music by plugging the lights into a box which is music-reactive itself. (so he doesn't have to use the algorithm software) The music box came with a remote to change the reaction speed as well as to give it the ability to make the lights change to a specific color or just generically flash or fade.