Miss Schuman began her career as a mezzo-soprano singing Rossini and Mozart roles, as well as her signature role at that time,Carmen. Engaged by Peter Brook to perform the title role in his production of La Tragedie de Carmen, Miss Schuman sang in Paris, on a world tour, and at the Lincoln Center Theater. After switching to soprano, Schuman enjoying a career at the highest international level, specializing in the Mozartean repertoire, singing Donna Elvira in Don Giovanni and Contessa Almaviva in Le nozzle di Figaro at the Metropolitan Opera with James Levine conducting; Ilia in Idomeneo at La Scala with Riccardo Muti; and Ilia and Pamina at Vienna State Opera, under the baton of Nikolaus Harnencourt. She made her debut at the Salzburg Festival as Vitellia in La Clemenza di Tito, to great critical and popular acclaim. She repeated the role at Covent Garden, Glyndebourne, Madrid, and Lyon. In a continually expanding repertoire, Mis Schuman debuted the role of Alice Ford in Verdi’s Falstaff at the Covent Garden with Bernard Haitink conducting; Rezia in Weber’s Oberon with Marc Minkowski at the Flemish Opera; the title role in Schumann’s Genoveva with the Edinburgh Festival and Opera North; Blanche in Poulenc’s Les Dialogues des Carmelites with Rome Opera and Seattle Opera; Madeleine in Strauss’ Capriccio in Toulouse and the Marshallin in Der Rosenkavalier at Pittsburgh Opera. She has sung the Puccini roles Liu in Turandot and Mimi in La Boheme in Zurich; Poppea in Cologne and Bologna; and the role of The Commander in the world premiere of Philip Glass’ The Voyage at the Metropolitan Opera. After the birth of twins, Miss Schuman made the decision to stay home and raise her children, once they began school. After almost a decade, Schuman returned to the opera, once again as a mezzo,to sing opposite her husband, David Pittsinger, as Carlotta and Eugene O’Neill in the world premiere Blizzard on Marblehead Neck by Jeanine Tesori at the Glimmerglass Festival. Also, in that season, she appeared as Estelle Oglethorpe in John Musto’s Later the same evening. She returned to Glimmerglass to sing Elvira Griffiths in Tobias Picker’s An American Tragedy. Soon thereafter, Miss Schuman made her role debut as The Duchess of Argyll in Thomas Ades’ Powder her Face with Opera Philadelphia, to great acclaim. Returning there in 2016, she sang the role of The Mother in Missy Mazzoli’s world premiere opera, Breaking the Waves. At the Ivoryton Playhouse, Schuman made her first professional foray into musical theater, as Bloody Mary in South Pacific, for which she received a Critic’s Circle nomination. She also sang the world premiere oratorio Letter from Italy by composer Sarah Meneely-Kyder, singing the role of Delia. Recently, Miss Schuman sang and recorded the role of Grandma Mills in Ricky Ian Gordon’s world premiere The House without a Christmas Tree at Houston Grand Opera before returning to the Ivoryton Playhouse for The Fantasticks. Schuman returned to Opera Theater of St. Louis, after many years, to debut the role of Arnalta in The Coronation of Poppea. The same season, she sang The Countess in a newly realized version of Pique Dame at the Glimmerglass Festival. On recording, Miss Schuman can be heard in the title role of Florencia en el Amazonas by Daniel Catan, which she recorded live at Houston Grand Opera (Albany records). She has also recorded the soprano solo in Handel’s Messiah (Koch) and the Bertoni mass, Veni Creator (Erato) under the baton of Claudio Scimone, and the role, Ruggiero, in Rossini’s Tancredi with Marilyn Horne (Sony). She can be seen on video as Poppea (Schwetzingen Fetstival), Donna Elvira (Royal Opera House, Covent Garden), Countess Almaviva (Madrid Opera), and in Letter from Italy. Recently released is Ricky Gordon’s House without a Christmas Tree on Pentatone.