Here is a second band but in this case it is more a single person. I want to present you today a legend in my opinion. Maybe you know him already.
I speak about Ronnie James Dio. He died in 2010 because of smoach cancer.
He was the greatest heavy metal vocalist and songwriter. He was a member of "Black Sabbath" but later he formed a own band with his lastname "Dio". They played classic hevy metal and theire lyricals were about heroic fantasy, metaphors, human issues.
These are two classic songs of him. The first one is from the first studio album of Dio "Holy Diver" from 1983 and the second from the album "The Last in Line" from 1984. I think in this time he made the best music. Old school heavy metal.
Unfortunately I have never seen him live. Did you by any chance?