https://aeon.co/videos/surrender-to-the-mechanical-marvels-of-the-worlds-most-intricate-music-box
The sound reminds me of Violin Phase, by Steve Reich...
https://www.youtube.com/watch?v=Su1OvwR3wB4
I do like these machine-violins a lot more ...:
https://www.youtube.com/watch?v=TAeNydh0KPo
H.