Anthony Dean Griffey, Elizabeth Bishop, Gustav Mahler, Erin Wall, The Choral Arts Society Of Washington, Angela Meade, Mihoko Fujimura, Scott Tucker, Yannick Nézet-Séguin, Joe Miller, Markus Werba, John Relyea, Westminster Symphonic Choir, Philadelphia Orchestra, The American Boychoir, Fernando Malvar-Ruiz