Comment on Didgeridoo playing as alternative treatment for obstructive sleep apnoea syndrome: randomised controlled trial

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stringere@sh.itjust.works ⁨5⁩ ⁨days⁩ ago

I used ti have one that was a hollow bamboo tube with a beeswax covered top. I have seen pvc used also but the sound is different, which is the case for any material.

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