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