Brussels Choral Society, Brussels Madrigal Singers, The European Union Choir

Ivan Goran Kovacic

Octave

Academic Choir, Copenhagen People's Choir, Midtjysk Choir, Tritonus

Chorale Pro Musica, The Paris Choral Society

German-American Community Choir

Cappella, Dublin, Dublin County Choir, Dun Laoghaire Choral Society, Guinness Choir, Northern Ireland Baha'i Choir, RTÉ Philharmonic Choir, Waterford City Choir

Choral School of Giacomo Puccini, Corale Quadriclavio, Bologna, Italy, Hesperimenta Vocal Ensemble, Rutuli Cantores, St. Jacob's Choir, Ultra Vox

Jauna Muzika

Canticum Anglicum Amsterdam, Cappelaa Breda

Collegium Vocale Bydgoszcz, The Medical University Choir of Gdansk, Warsaw University Academic Choir

Coral Allegro, Regina Coeli's Choir of Lisbon

Mixed Choir Tirnavia, The Bratislava City Choir

Cor Aulos, Coral Sant Jordi, Coral Santa Teresa, The University of Alicante Choir

After Eight, Lodola Choir - Lodolakören, Göteborg, Sweden

England, Scotland, Wales