- Benedictines of Mary, Queen of Apostles
- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- Benedictine Monks of Santo Domingo de Silos & Sofia Chamber Choir
- Benedictine Monks of the Abbey of St. Maurice & St. Maur, Clevaux
- Hubert Velten & CantArte Regensburg
- Capella Gregoriana