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