Mozart under the stars and on the big screen. This is the principle of the operation proposed on 16 July 2011 by the Opéra de Lyon. The representation that was played on his stage was broadcast simultaneously and outdoors in thirteen Rhône-Alpes cities including Ambérieu-en-Bugey, Valence and Grenoble. Thousands of spectators were able to attend a free version of the opera "Cosi fan tutte". It is...