Double contrabass flute or You Thought Flute Was Wimpy

I did not know such a thing existed.  it is a Double contrabass flute.  I post a link to DIY flutes in the past but someone needs to figure out how to make this guy out of some PVC.

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KONONO N°1 or DIY Necessity

They created a electric band in a place with no electric instruments. Microphones made from alternator batteries, 40 year old loud speaker horns and homemade instruments is what use to make music. You have to admire their ingenuity. An of course it is original. It is lo-fi world beat Kraftwerk meat the Congo.