Adam Plachetka in the role of Masetto, Anna Prohaska as Zirlana, Dorothea Roeschmann as Donna Elvira, Aleksandra Kurzak as Donna Anna, Joel Prieto as Don Ottavio, from left to right, and Erwin Schrott, top, as Leporello 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)