- Ensemble la Sportelle, Alix Dumon-Debaecker
- Dr. Karl Chang, Jenny Chiang, Crystal Children’s Choir
- Pennsylvania All-State Orchestra
- Northwestern University University Chorale, Dr. Scott Hochstetler, Robert A. Harris, Goshen College Men’s Chorus
- Sacramento Master Singers, Clifford Shockney, Scott VanOrnum, Kathryn Smith, ACDA Junior High Girls Honor Choir, Malcolm Dalglish, ACDA Western Division Women's Honor Choir, Paul Rardin, ACDA Western Division Men's Honor Choir, Heidi van Regenmorter, Ralph E. Hughes
- Central Bucks H.S. West Chamber Choir, Pennsylvania State University Oriana Singers, Grace Kingsbury Muzzo, Lynn Drafall, The York College Chamber Singers, Dr. Joseph Ohrt