He fused African-American blues with gospel. Today it includes punk rock, hard rock, alternative rock and many other strains. One reason this merger occurred was the great migration of blacks northward. African-American artists like Chuck Berry began to get airtime, and his popularity grew in part thanks to a disc jockey. According to the U.S. History website, "disc jockey Alan Freed started a rhythm-and-blues show on a Cleveland radio station. Soon the audience grew and grew, and Freed coined the term "rock and roll" (" The Cold War Continues ”, 2014). Teens loved it and parents hated it. The churches believed it was the devil's music, but rock and roll was born and will continue into the future. The political ramifications of the rock and roll movement should include defining an era. Before, teenagers did not have a politically defined group and now this newly formed segment demanded freedom and rights. Parents feared that with rock and roll, juvenile delinquency would increase and teenagers would rebel like the "hippies" that San Francisco came from and spread in the 1960s. Since music is an international language, the cultures of many areas became intertwined. Once television was created, music could also influence politics