Marble Machine musical instrument - video

[Jon]

Marble machine musical instrument. From Swedish folktronica band Wintergatan.

[bubatx1]

Thank You enjoyed it very much.
Never heard it before love the music

[mklotz]

This is a very clever musical animation...

but these folks have done it for real...

In the days before computers, folks built orchestrions, machines that played music on conventional instruments. In fact, the marble machine in the OP was inspired by a famous violin playing orchestrion housed in a Dutch museum...