Mirroring the youthful sensibilities of a rapidly transforming populace, rock music emerged in the second half of the 20th century, forever altering the landscape of popular music. The new sound, which many at the time viewed as subversive, articulated the passions and beliefs of a new generation, and has since influenced a wide range of genres, from folk to disco to hip-hop. The musical stylings that have accompanied the social, cultural, and political developments of the late 20th and early 21st centuries form the subjects of these entertaining and informative volumes. Profiles of pivotal groups and artists whose lives have been inextricably tied to musical history structure the narrative and reveal the stories behind some of popular music's most inspired creations.