> I live in Spain, country where I pay a compensation copyright tax for every ...

I don't know specifically about Spain, but this 'copyright tax' [that was introduced in most, if not all European countries, probably a directive] was for you to legally be able to create copies on your devices of legally acquired contents.

The interpretation you have been giving it, is mentally satisfying, but not legally tenable

There seems to be contents on youtube: https://www.youtube.com/results?search_query=manouche . I leave it for you as home-work to ddgo the solution from there.