I had the pleasure, (or displeasure), of listening to all those old '70's songs when they first came out, and you're right, there were a lot of bad ones that got overplayed.
No cheating now by looking at my picks. 😀😀😀
Jocks have long used Joel Whitburn's books--back before the Internet age--to add interesting trivia to their shows. Joel has lots of information about artists, bands and songs in his books. We used to keep his books in our studios for reference, and I ended up buying my own copies as he would come out with updated editions. Here's one edition.