Mais de Messiah College Concert Choir
- The University Of Utah Singers
- The Singers - Minnesota Choral Artists
- St. Olaf Choir & Anton Armstrong
- Katie Barton, Michael Schwartzkopf, Kentucky All-State TTBB Chorus, Cheryl Amstutz, Kentucky All-State SATB Chorus, Joe Miller, DeVonda Treece, Kentucky All-State SSAA Chorus, Ryan Shirar, Z. Randall Stroope & University of Louisville Graduate String Quartet
- The Oxford Choir & Oxford University Press Music
- Prairie Voices
- East Carolina University Chamber Singers, Daniel Bara, Christopher Grymes, Christine Gustafson & Christopher Ulffers