- Roberts Wesleyan College Chorale & Roberts Wesleyan College Ensembles
- Frederick Burgomaster, Thomas Woody, Paul Flight, Joshua Barton, Indianapolis Festival Orchestra, Indianapolis Men and Boys Choir, David Honore, Stanley Irwin & William Ferguson-Wagtaffe
- F. Melius Christiansen & St. Olaf Choir
- Antioch Chamber Ensemble & Joshua Copeland
- Dr. Stan Hill & San Francisco Gay Men's Chorus
- Dr. Kathleen McGuire & San Francisco Gay Men's Chorus
- The Women's Chorus of Dallas