That’s One Way to Play a Tune...
Vitaly Kryuchin is the head of the Russian Federation of Practical Shooting. He also built a musical instrument he calls the Metallophon. It consists of different-sized sheets of metal, which each deliver a different ton...
https://www.neatorama.com/2016/09/21/Thats-One-Way-to-Play-a-Tune/
