- The Cistercian Monks of Stift Heiligenkreuz
- Benedictine Monks of the Abbey of St. Maurice & St. Maur, Clervaux
- Monks of Ampleforth Abbey
- Dominican House of Studies
- Schola Cantorum Karolus Magnus & Stan Hollaardt
- Anonymous 4 & Chilingirian Quartet
- Coro de Monjes del Monasterio Benedictino de Santo Domingo de Silos