Israeli-Argentinian conductor and pianist Daniel Barenboim (R) leads the Vienna Philharmonic Orchestra prior to a 'Summernight Concert' in the garden of Schoenbrunn palace on June 4, 2009 in Vienna. Getty Images logo Getty Images 6 months ago

Israeli-Argentinian conductor and pianist Daniel Barenboim (R) leads the Vienna Philharmonic Orchestra prior to a 'Summernight Concert' in the garden of Schoenbrunn palace on June 4, 2009 in Vienna.