A, B, C, D, E, F, G, H, I, J

Boys' Choirs, Girls' Choirs, Mixed Choirs, Shenandoah Valley Children's Choir, South Shore Children's Chorus

A, B, C, D, E, F, G, H, I, J

Aswat Arabic Choir, Livity Nyahbinghi Choir, Zemer Chai: Washington DC's Jewish Community

Ariose Women's Choir, Basingstoke Ladies Choir, Cambridge Chorale, Cantilena, Cantus, Capella Artemisia, Diablo Women's Chorale, Echo Women's Choir, Female Chamber Choir Lyra, Forth Valley Chorus

A, B, C, D, E, F, G, H, I, J

Africa, Asia, Europe, Middle East, North America, Oceania

Connecticut Lyric Quartet

Voloshky Trio

All-Ohio State Fair Youth Choir, All-Ohio State Fair Youth Choir, Americus High School Singers, Atlanta Institute for Musicianship and Singing, Auckland Youth Choir, Australian National University Choral Society (SCU, Australian Pop Kidz Choir, Berkshire Youth Choir, Brooklyn Youth Chorus, Burbank Hign School Vocal Music Association