Sergeant Pepper had done a good job: The pop music that followed in 1968 ignited a firework of new styles and genres, the effects of which can still be felt today. All this unfolded against the background of enormous political and social upheavals. The peaceful utopias that had made the hippies the leading force of the younger generation in the previous year seemed to have worn off and overtaken each other in a very short time. A look back at a musical year that became a symbol.