- Jeffrey Smith, The Grace Cathedral Choir of Men and Boys, Benjamin Bachmann, Matthew Edwards
- George W. Thomas, Norma Barsness, Placida Robinson, Sandra Stone, John Howell Morrison, The Riverside Choir, Jeanne Audrey Powers, Dennis Elliott, Jane Weidensaul, Jerry Brainard, John Walker, Louise Natale, Dale Zurbrick, William Rhodin, Anthony Korf, Albert Wilson, Raymond Kohere, Lawrence Benz, Kathryn Cowdrick, Eugene E. Laubach, Ann Mackay, Judith Bachleitner, Robert Macdonald, Dale Bishop, Frederick Swann, Francis F. Fisher, Robert Harley
- Washington Symphonic Brass, members, Michael McCarthy, Erik Suter, Scott Hanoian, Christian Sidak, Washington National Cathedral Choir of Men and Girls, Washington National Cathedral Choir of Men and Boys
