Houston Grand Opera & Chorus, Leslie Biffle, Carey Michael O'Rarden, Austin Dean, Susanne Mentzer, Measha Brueggergosman, Cullen King, Philip Cutlip, Jake Heggie, Rahki DeShon Marcelous, Wesley Landry, Bradley Blunt, Frederica von Stade, Houston Grand Opera Orchestra, Beau Gibson, James Jennings, John Packard, Joyce DiDonato, Michael Sumuel, Patrick Summers