Also added to the roster of singers was tenor Garrett Sorenson, an alumnus of the Metropolitan Opera's Lindemann Young Artist Development program.

Singers previously scheduled to appear include mezzo-soprano Judith Christin, soprano Kristen Clayton, soprano Ren_e Fleming, tenor Julian Gavin, soprano Cynthia Lawrence, bass-baritone James Morris, baritone Robert Orth, soprano Emily Pulley, mezzo-soprano Marcia Ragonetti, baritone Charles Taylor, bass-baritone Hao Jian Tian, bass-baritone Stephen West, mezzo-soprano Theodora Hanslowe, and baritone Yalun Zhang.

Stephen Lord, music director of the Opera Theatre of St. Louis and Boston Lyric Opera will conduct. Composer Jake Heggie will appear as a pianist, accompanying Clayton in the world premiere of his and playwright Terrence McNally's "mini-opera" At the Statue of Venus.