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