Old School, Greek 70s rock/prog band. They mix elements of greek traditional music with rock. I love the 2nd track.
Socrates Drank The Conium - Destruction - YouTube
Socrates - Mountains 1976 - YouTube
Here you can hear on his impro the kind of greek/traditional sound.
Yiannis Spathas - Mountains (Guitar solo) - YouTube
We got Rotting Christ, Septic Flesh from the really well known ones.
These guys are greek and I've seen them live, quite amazing. Planet of Zeus.
Planet Of Zeus - Woke Up Dead - YouTube
Nothing else crosses my mind at the moment. If something comes up, I'll let you know.
Yep...I believe they have the same drummer as well IIRC.
Listen to "Scarlet Paint and Gasoline" "Inbetween the Sheets" "Pencil Lead Syringe" actually all of the "We are gathered here today" album is excellent!