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