- Thomas Foster, Beverly Hills All Saints' Church Choir & Craig Phillips
- Saint Thomas Choir of Men and Boys, Saint Thomas Brass & Jeremy Filsell
- Lichfield Cathedral Choir, Mark Shepherd & Andrew Lumsden
- Choir of Magdalen College, Oxford & Bill Ives
- Voices of Ascension Chorus, Dennis Keene & Vinson Cole
- Vienna Vocal Consort & Vijay Upadhyaya
- 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