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