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