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