Eternal Champion are riff-makers of high quality, and their songs are sometimes literally based on REH stories (check Worms of the Earth)
Thank you sir!
It's one song, but 'Black Blade' is a Blue Oyster Cult song about Elric, written by Moorcock himself. The 70s-80s rock band Hawkwind has a whole album about Elric, The Chronicle of the Black Sword.