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