[gnasr]

Another curious instrument is the Vako Orchestron, the one used by kraftwerk in trans europe express [1], this instrument uses optical disks as source of sound [1] https://www.youtube.com/watch?v=bhkIOw4TyXE

https://en.wikipedia.org/wiki/Orchestron https://www.youtube.com/watch?v=JCybRH8gIBI