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BBC marks 90 years of radio with historic broadcast

14 November 2012 Last updated at 17:51 GMT

The BBC has marked 90 years of broadcasting with a simultaneous radio broadcast of a composition by Blur frontman Damon Albarn.

2LO Calling, a "snapshot of the airwaves" featuring iconic sounds such as Bertrand Russell in Morse code, was played to radio listeners around the world.

The broadcast at 17:33 GMT was hosted by BBC Radio 2's Simon Mayo from London's Science Museum.