- Armoniosoincanto - Italy
- Cantate - Hungary
- Chœur Grégorien de Paris - France
- Chœur Grégorien de Paris, Voix de Femmes - France
- Chœur Notre Dame de l'Assomption - France
- Cum Jubilo - Belgium
- De Speelschare - Belgium
- Ensemble San Felice - Italy
- Escolania del Valle de los Caidos - Spain
- Flores Myrtae - France
- Graces & Voices - International
- Grazer Choralschola - Austria
- Gregoriaans Abdijkoor Grimbergen - Belgium
- Gregoriaans Koor Utrecht - The Netherlands
- Gregoriaans Koor van Leuven - Belgium
- Hartkeriana - The Netherlands
- Iubilate - Hungary
- Iubilate and Cantate - Hungary
- L'Ensemble vocal du Brabant wallon - Belgium
- Les Filles du Sacré-Cœur - Japan
- Mulierum Schola Gregoriana Clamaverunt Iusti - Poland
- Ordo Virtutum - Germany
- Pawel Gusnar - Poland
- Psallentes ♀ - Belgium
- Pueri Cantores of Daegu - South Korea
- Püha Miikaeli Poistekoor - Estonia
- Rheinische Frauen-Schola Kaliomene - Germany
- Schola Antiqua - Spain
- Schola Cantorum Riga - Latvia
- Schola Cantorum van het Ward-Instituut - The Netherlands
- Schola Gothia - Sweden
- Schola Gregoriana Assisiensis - Italy
- Schola Gregoriana Cantabo - Belgium
- Schola Gregoriana Cardinalis Stephani Wyszynski - Poland
- Schola Gregoriana de Bogotá - Colombia
- Schola Gregoriana del Pims, Pontificium Institutum Musicae Sacrae - The Vatican
- Schola Gregoriana Henricus Beauvarlet - Belgium
- Schola Gregoriana Maynooth - Ireland
- Schola Gregoriana Pragensis - Czech
- Schola Maastricht en Lundi Bleu - The Netherlands
- Schola Resupina - Austria
- Schola Sanctae Sunnivae - Norway
- Schola Trunchiniensis Femina - Belgium
- Sowon Kim - South Korea
- The Choristers of St.Mary's Cathedral Choir Sydney - Australia
- Tiburtina Ensemble - Czech
- Verbum Domini - Slovakia
- Vocaal Ensemble Cantamare - The Netherlands
- Voces Gregorianae Cassovienses - Slovakia
- Vox Clamantis - Estonia
- Vox Clamantis Ladies - Estonia
- Vox Clamantis Men - Estonia