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