I bought a small tongue drum as an experiment, the gutters on my house have a small, 25 mm pipe plumbed into the bottom of the gutter. So when it rains there is a stream of water that comes out of the pipe, I position the tongue drum underneath, the pipe on the ground and drilled a small hole in the base of the drum to let the water out, the tone and tune changes depending on how much water is in the drum and of course when it stops raining So does the music, I also purchased a Winchime so now I...