The Physical Rhythm Machine Boem Boem [1] is a performance/sound installation that actually comes quite close to being a physical equivalent of this idea. Not s

The Physical Rhythm Machine Boem Boem [1] is a performance/sound installation that actually comes quite close to being a physical equivalent of this idea. Not self adjustable of course, but the sound of the balls banging around is highly visceral. [1]: https://instrumentinventors.org/project/physical-rhythm-machine-boem-boem/ https://instrumentinventors.org/project/physical-rhythm-mach...