- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- Monastic Choir of the Abbey of St. Pierre de Solesmes
- Quire of Voyces
- Schola Cantorum Karolus Magnus & Stan Hollaardt
- Benedictines of Mary, Queen of Apostles
- Choeur de Moines Bénédictins de l'Abbaye Santo Domingo de Silos
- Hubert Dopf S.J. & Schola of the Hofburgkapelle, Vienna