- Cimbálová muzika Stojanova gymnázia Velehrad、 Pěvecký sbor Stojanova gymnázia Velehrad
- The Baylor A Capella Choir、 Baylor Chamber Singers、 Oxford University Press Music、 East Carolina University Chamber Singers
- Audrey Cardany、 Rena Anthony、 All-State Elementary Chorus
- Katharina Petry、 Tobias Naumann、 Antonietta Jana、 Anna Maria Gruszczynska、 Maximilian Rajczyk、 Junge Kantorei St. Maria、 Frank Claus
- Ragazzi Boys Chorus、 Clark Intermediate School Sotto Voce
- Joel M. Price、 Becky Edwards、 Westwood Juior High School Varsity Treble Choir
- Connie Horton、 Kelly McDonald、 McCullough Junior High Chamber Choir
