- Aurora Surgit, Alessio Randon, Nova Schola Gregoriana, Alberto Turco, Manuela Schenale, In Dulci Jubilo, Schola Hungarica, Laszlo Dobszay & Janka Szendrei
- The Cistercian Monks of Stift Heiligenkreuz & Timna Brauer & Elias Meiri Ensemble
- Fribourg Children's Choir, Schola Feminine & Schola voix d'hommes
- The Brotherhood Of St. Gregory And The Sisters Of Mercy Choir
- Monks of the Desert
- Choeur des moines bénédictins de l'abbaye Notre-Dame de Triors
- Vocal Cosmos