Symphonic Metal album by Christopher Lee - 2010 Charlemagne: By the Sword and the Crosshttps://en.wikipedia.org/wiki/Charlemagne:_By_the_Sword_and_the_Cross
And he was a metal singer, went by Charlemagne, if I'm not mistaken
During world war II he was a member of the ministry of ungentlemanly warfare.
"I SHED THE BLOOD OF THE SAXON MAN!"