Glass bottle Playing : David Braman

The reason I decided to use glass bottles was because we had an excess amount of them in our recycling bins. I found that to get the best results I needed to fill up each bottle 1/8 more than the one before it. The more water in the bottle the lower the pitch. Starting from left, the empty bottle, and going to the right, the full bottle, you will notice that the pitch goes down. This demonstration shows how the resonance is affected by the volume obtained in the bottles.