No. Once tried to learn it at university, started a course, but it is difficult. I stayed with French and Spanish then as foreign languages.
No, they do all kinds of old and new languages, ancient pagan or medieval tunes, also oriental ones, even English sometimes.
Strange you can't see that vid, it should not be country-restricted. Maybe because of the movie pics in it?
I posted them before here long ago, I think it was this live video below, but not sure. Maybe also others.
Anyway, since it is so nice here we go again, it is my now favourite of them. I could hear it every day on repeat, gives me so much nice goose bumps every time, especially Eivar's voice.
It is performed in a Church together with Wardruna. A christian church is actually pretty funny since the song is about pagan god Odin.
This time the language is in Norwegian and first in German. Hope this is not restricted: