Soprano Tasneem Alam Marilynne Geiffert Sarah Graham Degna Levister Rebecca Z. Mansell Morgan Miller Rebecca Price Ann Quigley Pamela Reich Zarya Rubin Alto Barbara Barra Adela MarÍa Bolet Megan Cox Susan Crumiller Ilse de Veer Mary Jo Mace Robin Koob Alison North Ruth Parlin Jennifer Paulson Laura Perrone Beth Souza Tenor Joseph Ancowitz Shawn Crouch Gerald Greland Erol Gurol Jeremy Leslie-Friedman Robert Nixon David Usdan Steve Underhill Bass Philipp Brieler Justin Chiao Brian Hopkins Elliott Kaback Dennis Longwell Gerald Metz Levi Smylie Steven Statsinger Richard Walker