Quoted from Hazoff:Going by whats been posted there aren't any "best songs" of the 20th century, In fact there's very few "just ok" songs of the 20th century.
I'm about as stereotypical as you can be as a very-old, soon-to-be-dead-from-coronavirus, only-Led Zeppelin-Black Sabbath-Pink Floyd-AC/DC-Metallica and Megadeth- are-any-good, intolerant, hates-everything guy. I will admit a lot of these I didn't like much. But there are some good things. Can't go wrong with White Stripes, Bad Religion, Audioslave. What I really appreciate is hearing some stuff I never heard before that I liked. Some of these posted ones I thought were really good were Electric Six, Floor, Three Days Grace, and Billy Strings.
Its all opinion, everyone should enjoy whatever they want. I can't explain why I like what I like. I listen to it, and right away I know if I like it or hate it. I'm looking forward to more.