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