[2] Shin made her opera debut as Susanna in Le nozze di Figaro in the 1989 Spoleto Festival USA.
In 2005 and 2006, she sang Un Ballo in Maschera at the Metropolitan Opera in addition to Lucia di Lammermoor and Rigoletto.
At the Metropolitan Opera she has sung with some of the world's leading conductors and singers including James Levine, James Conlon, Nello Santi, Edoardo Muller, Plácido Domingo, Luciano Pavarotti, Juan Pons, Carlo Guelfi, Leo Nucci, Marilyn Horne, Samuel Ramey, among others.
For 2002–03 she returned to Baltimore for the new productions of Lakme and Rigoletto before going to the Paris Opera for the world premiere of Pascal Dusapin's Perela, l'Homme de Fumée and the Minnesota Orchestra for the Mahler 8th, both conducted by James Conlon.
Miss Shin debuted in São Paulo, Brazil in May 99 with Un Ballo in Maschera, sang a concert performance of Puritani with the Aarhus Festival Symphony in Denmark, and sang Lucia in Caracas, Venezuela and in Mexico City with tenor Ramon Vargas.