Dennis Havlena is the creator of the "Hank Drum": https://en.wikipedia.org/wiki/Steel_tongue_drum https://en.wikipedia.org/wiki/Steel_tongue_drum. He manages to

Dennis Havlena is the creator of the "Hank Drum": https://en.wikipedia.org/wiki/Steel_tongue_drum https://en.wikipedia.org/wiki/Steel_tongue_drum. He manages to get really good sounds out of his homemade instruments, even without fancy equipment or materials.