It's really fascinating as you can see the shapes made by solo instrumnts, and how they grow or shrink as the not is changed. You'll also get some nic...
Unlike the mirror on the subwoofer trick, this DIY shows you how to create a very cheap, music driven lightshow that actually visualizes the sound!
Step 1: Making the Visualizer Body
I used a plastic coffee can for the sounding tube by removing the lid and cutting a large hole in the bottom. The vacuum form of the can's bottom gives a perfect template for cutting a nice, large round hole while leaving a lip around the bottom edge.