- Highland Park Lassies Varsity Women's Choir
- Danish National Radio Symphony Choir
- Ripon Cathedral Choir
- Marlborough Cathedral Choir
- John Squeeze Kamana
- Marlborough College Cathedral Choir
- The Cathedral Choir of Abbey Church
- Coventry Cathedral Choir & St. Michaels Singers
- The Napa High School Chamber Choir
- Washington National Cathedral Choir of Men and Boys
- Mansfield High School Varsity Men's Choir
- St. James Cathedral Choir
- Australian Baroque Brass
- Hebron High School A Cappella Choir
- Harlingen High School Varsity Women's Choir
- JS Aurelius
- The Napa High School Treble Choir
- Mountain Ridge High School Woodwind Choir
- Sunnyvale High School Varsity Women's Choir
- Helsinki Music Centre Choir
- Turku Castle Chamber Choir
- The Pirkanpojat Boys' Choir
- Chichester Cathedral Choir/Thurlow
- Helsinki University Male Choir
- The Finnish Chamber Choir
- Atascocita High School A Cappella Choir
- Asith
- Pretoria High School for Girls Choir
- Pallini Music High School Children's Choir
- Bispham High School Gospel Choir Staff
- Rice Middle School Tenor Bass Choir
- Clarion Wind Symphony
- Mt. Eden High School Women's Choir
- Craig Middle School Concert Boys Choir
- Midway High School Varsity Men's Choir
- Temple University Wind Symphony
- Kelvin High School Choir of Winnipeg
- University Of Colorado Wind Symphony
- University of Georgia Wind Symphony
- The Napa High School Concert Choir
- The University Of Georgia Wind Symphony
- California State University-Fullerton Wind Symphony
- Rangely Junior / Senior High School Choir
- Sedona Red Rock High School Choir
- Jacob Maka
- Marange UMC High School Choir
- Dziecięcy Zespół Estradowy - SEZAMKI
- Rex Putnam High School Choir
- Hammersmith County School Girls Choir
- Moriah Jewish Day School Choir