- The Choir of Salisbury Cathedral, David Halls & Daniel Cook
- The Schola Cantorum of St. Peter's in the Loop & J. Michael Thompson
- St Paul's Cathedral Choir, Andrew Lucas & John Scott
- Thomas Foster, Beverly Hills All Saints' Church Choir & Craig Phillips
- Christ Church Cathedral Choir, Stephen Farr & Stephen Darlington
- 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
- Cappella Gloriana, The Cathedral Singers & Stephen Sturk