- André de Quadros、 Voices 21C
- Great Falls High School Delphian Choir、 Patrick Ryan
- West Salem H. S. Choir of the Titans、 Kimberly McConnell
- Joe Weir、 Atascocita High School A Cappella Choir
- Trinity University Chamber Singers、 Gary Seighman
- Robin Shuford Frank、 Senior High Chorus、 Dr. Angela Broeker
- Russell Christensen、 Dr. Steven Zielke、 Oregon State University Meistersingers、 Oregon State University Chamber Choir
- Wheaton Academy Concert Choir、 Michael Bultman、 Lincoln-Way Central H.S. Chorale、 Joel Visker