- 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
- Estudio Coral de Buenos Aires & Carlos López Puccio
- The Gallery Choir, Church of Saint Mary Magdalene, Toronto
- Wilshire Baptist Sanctuary Choir
- Brian Jones & Boston Trinity Church Choir
- John Fernstermaker, Christopher Putnam, —, Grace Cathedral Choir, Caleb Jonas, Hunter Silides, Richard Johnson, Kathryn Kirkpatrick, Sai-Wing Chan, Jeffrey Goodsite, Barrie Cowan, Boyd Jarrell & Alan Jones
- Schola Magdalena