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