- Aurora Surgit, Alessio Randon, Nova Schola Gregoriana, Alberto Turco, Manuela Schenale, In Dulci Jubilo, Schola Hungarica, Laszlo Dobszay & Janka Szendrei
- Fribourg Children's Choir, Schola Feminine & Schola voix d'hommes
- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- The Brotherhood Of St. Gregory And The Sisters Of Mercy Choir
- Benedictine Monks of the Abbey Münsterschwarzach & Pater Godehard Joppich
- Cappella Gloriana, The Cathedral Singers & Stephen Sturk
- Quire of Voyces