Step into the world of Duke Bluebeard's Castle and discover the work done behind the scenes to bring the Philharmonia Orchestra's production of Bartók's only opera to life.
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Principal Conductor and Artistic Advisor Esa-Pekka Salonen shares his thoughts on Bartók.
Find out more about Bartóks early life.
We visit Bartóks birth place and look at his involvment tranditional music.