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