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