Aleksandra Kurzak, right, in the role of Donna Anna and Joel Prieto as Don Ottavio perform during a dress rehearsal for the opera "Don Giovanni" from Wolfgang Amadeus Mozart, on Friday, Aug. 6, 2010, in Salzburg, Austria. Premiere is on Monday, Aug. 9, 2010 as part of the Salzburg Festival. (AP Photo/Kerstin Joensson)