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