[fodmap]

That Commodore C64 accordion made me laugh.

Ah it's called The Commodordion https://linusakesson.net/commodordion/index.php

[pavel_lishin]

It's kind of incredible!

A direct youtube link for the lazy: https://www.youtube.com/watch?v=o6z5__6rP58

[sivers]

And don't miss the Qweremin:

https://linusakesson.net/qweremin/

Brilliant.

[opello]

Wow, there are multiple things like that!

Qweremin: C64 Theremin: https://linusakesson.net/hardware/theremin/index.php

Qwertar: C64 Keytar: https://linusakesson.net/music/glyptodont-live/index.php

Very neat!