https://www.mentalfloss.com/art/listen-these-7-sound-sculptures
Some art is intended to be viewed. And some art is meant to be heard.
sound sculptureslisten
https://makezine.com/article/craft/amazing-sound-sculptures-from-motor/
Zimoun's art makes use of motors and other machine hardware en masse to create some strange and quite elegant installations.
sound sculpturesamazingmotorsmake