- The Monks of Glenstal Abbey
- Benedictine Monks of the Abbey of St. Maurice & St. Maur, Clevaux
- Monks Of The Abbey Of Notre Dame
- Choir of Monks of the Abbey of Saint-Pierre de Solesmes & Joseph Gajard
- Capella Gregoriana
- Monks' Choir of the Benedictine Abbey of St. Martin, Beuron & Maurus Pfaff
- Benedictine Monks of Santo Domingo de Silos, Benedictine Abbey Choir Of Munsterschwarzach & Cappella Musicale del Duomo di Milano