Hey, if you love piezo noise boxes and electro acoustical synthesis take a look of this artisanal work! Incredible ! A really natural and recovery hardware synth system with some springs, nails, capsules and another metallic objects.
This man is a DJ-Junkyard-Lumberjack and punky warrior ! But he is mostly an really good ecological musician !
(+1 for the planet)
Greta Thunberg approuved it !!
I post that here because it could be give some ideas for interested Diyers !
(hear this with headphones or on a system with a good bass level !! )
His YouTube page:
His Facebook page with more videos: