Berlin station to use atonal music to deter drug users

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The German rail operator, Deutsche Bahn, thinks playing atonal music will stop people using drugs in one of Berlin's busiest stations. But is atonal music really that bad? The BBC's Paul Henley has been speaking to Laurens von Oswald, who organises Berlin's Atonal Music festival, which starts this week. (Photo shows: A U-Bahn station in Berlin. Credit: Getty Images)