- Janez Bole & Slovenski Madrigalisti
- Cappella Musicale del Duomo di Milano
- Fribourg Children's Choir, Schola Feminine & Schola voix d'hommes
- Lucien Deiss, CSSp
- Graz Gregorian Chants School O
- In Dulci Jubilo, Nova Schola Gregoriana & Alberto Turco
- Boni Puncti - Maennerchor & Karel Frana