23 Aug 2011, Cologne, Germany — Conductor Daniel Barenboim rehearses with the West-Eastern Divan Orchestra in Cologne, Germany, 23 August 2011. From 23 until 28 August 2011, Barenboim will lead the philharmony in playing all of the Beethoven symphonies. Photo: Horst Galuschka — Image by © Horst Galuschka/dpa/Corbis