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