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