- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- Benedictine Monks of Santo Domingo de Silos, Benedictine Abbey Choir Of Munsterschwarzach & Cappella Musicale del Duomo di Milano
- Monks' Choir of the Benedictine Abbey of St. Martin, Beuron & Maurus Pfaff
- Choralschola Der Wiener Hofburgkapelle & Hubert Dopf S.J.
- Schola Cantorum Karolus Magnus & Stan Hollaardt
- The Benedictine Monks Of St. Pierre