Metallica is obviously very popular in modern times, but YouTuber Algal the Bard proves that the band's compositions could've probably slayed way back in Medieval times as well! Check out Algal the Bard's cover of Metallica's super thrashy epic "One," which he notes was performed on Lute-guitar, Irish Bouzouki and Flabiol.
You can also check out the rest of his works here, including covers of Iron Maiden, Europe, and System Of A Down.