This document outlines different types of rock music including alternative, indie, classic rock, rock 'n' roll, metal, blues rock, and hard rock. It discusses how Bill Haley's "Rock Around the Clock" was the first nationally popular rock song and how The Rolling Stones and The Who led the British Invasion in the late 1960s that brought rock music back to popularity. It also lists some iconic rock artists and their famous songs such as The Who, The Killers, The Rolling Stones, and AC/DC.