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