A Condensed Progression of Violence in Music In the late 1950s, Elvis Presley revolutionized the music industry and took the world by surprise. His rock-and-roll rhythms and gyrating style dance fascinated many teenagers yet disturbed many parents. When the singer appeared on Ed Sullivan's variety show, Presley's hips were kept out of the camera range because his movements were considered "too suggestive". Reflecting on the Presley-Sullivan incident, numerous people are amused at the innocence of the time and the severity of the situation. Sin ....