Her repertoire includes performances of more than 100 operas including Nabucco (La Scala, Teatro San Carlo, New Japan Opera, Artscape So Africa, English National Opera, Cincinnati Opera, Carnegie Hall), Macbeth (La Scala, Opera Company of Philadelphia, New York City Opera), I Lombardi, La Boheme (NYCO), Rusalka, The Ghosts of Versailles - world première (Metropolitan Opera, Bilbao), Norma (Cincinnati Opera, Teatro Amazonas), Attila (Las Palmas de Gran Canaria, Carnegie Hall), Intermezzo (NYCO, Glimmerglass), Prince Igor (San Francisco Opera), Midsummer Marriage (Bayerische Staatsoper), Euryanthe (Glyndebourne Festival), Venus und Adonis (Santa Fe Opera, Concertgebouw), Maria Stuarda (Opera Orchestra of New York), Roberto Devereaux (NYCO), A Wedding - world première (Lyric Opera of Chicago), Mourning Becomes Electra (Lyric Opera of Chicago, Seattle Opera, NYCO), Don Giovanni (Baltimore Opera Company, Seattle Opera, Glimmerglass, Cincinnati Opera), Esther, The Mother of Us All, Seven Deadly Sins, Lillith, Lizzie Borden, Central Park, Mathis der Maler, Regina (Florida Grand Opera, Bard Summerscape), Fierrabras, Oberon, Giovanna D'Arco and Nabucco (Collegiate Chorale).

Her diverse concert repertoire has included collaborations with Gerard Schwarz and the Seattle Symphony in performances of Peter Ibbetson and Merry Mount; with Michael Tilson Thomas and the San Francisco and New World Symphonies in performances of Salome, Mahler’s Symphony No. 8, Luciano Berio’s Epiphanies, Time Cycle by Lukas Foss, Philomel by Milton Babbitt, The Mouse’s Tail by David del Tredici and Cantata para America Magica by Ginastera. She has performed Il Signor Bruschino and Chants d’Auvergne with Orpheus; the Four Last Songs with the Indianapolis Symphony; Die Liebe der Danae (Grammy nomination) with the America Symphony Orchestra; Robert Beaser’s The Heavenly Feast and Philip Glass’ Symphony No. 6, Plutonian Ode, commissioned for her by Carnegie Hall, with the American Composers and Brucknerhaus Orchestras; Berio’s Epiphanies at the Concertgebouw with RADA; performances with the New York City Ballet in the world première of Bright Sheng’s Two Birds with the Wings of One, and orchestral concerts of Mozart’s Exultate Jubilate and Ravel’s Sheherazade in the US.

Last season she sang Mahler’s 8th Symphony with Gerard Schwarz and the Seattle Symphony, and made her début with the Philharmonia Orchestra in a performance of Olivier Messiaen’s Poèmes Pour Mi. She returned to Carnegie Hall in January 2009 as Cleopatra in Samuel Barber’s monumental opera Antony and Cleopatra and then in March as Irene in performances of Richard Wagner’s opera Rienzi with Eve Queller and Opera Orchestra of New York. In September 2009 she performs the role of Myra in the world première of Séance on a Wet Afternoon written for her by the acclaimed and prolific theatre composer Stephen Schwarz.