incredible engine, this is an Enterprise 128, but it is a computer very similar to the CPC 6128, it should work practically the same in a CPC I think...
https://youtu.be/EePP2jNzSs8 (https://youtu.be/EePP2jNzSs8)
EDIT:
I did not know the existence of this other older video:
https://youtu.be/FKPiBPNG1OI (https://youtu.be/FKPiBPNG1OI)