- Dominican House of Studies
- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- Choralschola Der Wiener Hofburgkapelle & Hubert Dopf S.J.
- Quire of Voyces
- Benedictine Monks of Santo Domingo de Silos, Benedictine Abbey Choir Of Munsterschwarzach & Cappella Musicale del Duomo di Milano
- Monastic Choir of the Abbey of St. Pierre de Solesmes