Photo Coverage: Singers Francis and Karthaeuser perform on stage during a dress rehearsal of Mozart's opera La finta giardiniera in Vienna

Singers Jeffrey Francis, Sunhae Im, Michael Nagy, Sophie Karthaeuser and Topi Lehtipuu L-R perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12. Picture taken November 9.

Singers Jeffrey Francis L and Sophie Karthaeuser perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12. Picture taken November 9.

Singers Jeffrey Francis L and Sophie Karthaeuser perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12. Picture taken November 9.

Singers Sophie Karthaeuser, Topi Lehtipuu, Sunhae Im and Jeffrey Francis L-R perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12.

Singers Jeffrey Francis R and Sophie Karthaeuser perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12. Picture taken November 9. IMAGES OF THE DAY

Singers Michael Nagy, Sunhae Im, Jeffrey Francis, Sophie Karthaeuser and Marie-Claude Chappuis L-R perform on stage during a dress rehearsal of Wolfgang Amadeus Mozart's opera La finta giardiniera at Theater an der Wien in Vienna late evening November 9, 2010. The opera is conducted by the Rene Jacobs and will have its premiere on November 12. Picture taken November 9.