Well, the thing we have now — which has lights — is the second version. The first version we had was just basically a bunch of copper tubes, which basically did a similar thing. Each tube was sensitive to touch and connected to the musical equipment, so you could play all the main melodies just by touching it. Well, that one started to break down so we came up with the new one, which has eight lanterns which are made up of LED lights and cloth and they are touch sensitive. I can play them with mallets and they are connected to a synthesizer, so I can play synth notes. They are also programmed so that the sound of the note you are playing influences the color of the lights.