Do you remember the first time you heard Bill Haley and the Comets? If you were born before the 1950s, probably not. But if you’re a child of that decade, then chances are good that “Rock Around the Clock” was one of your first introductions to rock and roll. This quiz is for music lovers who lived through the 1950s, and it’s not going to be easy unless you know your stuff. So warm up those vocal cords, put on your dancing shoes, and let’s rock and roll!