The Bottle Marimba is a beautiful little instrument that is so much more than meets the eye. Made out of recycled materials, it produces a wonderfully pure resonance. It is so cheap to build and so easy to construct, and I really hope you give it a go.
Josh and Cat from Kaboom Percussion built an amazing version you can see here:
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Within the contemporary music scene, the flexible tuning of the instrument allows for fascinating timbral possibilities. Check out a piece I wrote and performed in my 2018 graduation recital here:
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The bicycle valves I used were TR414 valves:
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Most should work just fine. Even better if you can recycle an old bike inner tube.
![](https://s2.save4k.ru/pic/koIC_MAB3MU/maxresdefault.jpg)