- 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
- Robert E. Lee High School Chorale, Paula Edwards, Bill Zauner, Craig Griffith, Scott Millichamp & Beth Garza
- Creekview High School A Cappella Choir & Tara Sikon
- Peggy Walter, Amy Solberg, Bellaire High School Chorale Women, Rohini Rege, Nazayat Parvez, Sarah Shute, Heather Orr, Montgomery High School Varsity Chorale Women, Judy Boyter, Caroline Hymel, Emily Massey & Ken Labonski
- McKinney Boyd High School A Cappella Choir, Melissa L. Peden, University of North Texas A Cappella Choir & Jerry McCoy
- L.A. Choral Lab
- Concordia University Wisconsin Kammerchor & Alexa Doebele