"benefit performance" . . . . . . . . . . . "vocal performance" . . . . "2010-04-01T20:00:00"^^ . "Bravissimo! Opera Gala Celebrating Baritone Dmitri Hvorostovksy and Soprano Sondra Radvanovsky" . . . . . "Sondra Radvanovsky, Soprano, and Dmitri Hvorostovsky, Baritone" .