In this April 18, 2012, photo provided by the Houston Grand Opera, Joyce DiDonato, left, performs in the Houston Grand Opera's production of Maria Stuarda, with Katie Van Kooten, right, in Houston. ... more 
In this April 18, 2012, photo provided by the Houston Grand Opera, Joyce DiDonato, left, performs in the Houston Grand Opera's production of Maria Stuarda, with Katie Van Kooten, right, in Houston. Though the role has often been taken by sopranos who dazzle the audience with their high notes, DiDonato performs a lower-voiced alternate version, which can be just as satisfying. (AP Photo/Houston Grand Opera) less 
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Associated Press | Photo By Houston Grand Opera
Sun, Apr 22, 2012 3:33 PM EDT