In pop music the way to tell if you have a hit song is how far it travels up the chart. Not so much in rock music. There are many legends who've sold millions of albums, yet never had a #1 single. For example KISS have yet to have one, for that matter they've never had a lot of radio airplay, yet they still sell a lot of albums. I was shocked at the number of bands who have never had a #1!

Check out the list from ultimateclassicrock.com.