(Photos: Vincent Pontet) From May 21 to June 5, the Théâtre des Champs-Elysées presents “Der Rosenkavalier” in a production by the famous and highly controversial director Krzysztof Warlikowski. Even though the French music lovers, and especially the Parisians, are delighted to see this masterpiece of an opera from the beginning of the twentieth century back in the capital – something {…}