- The Cistercian Monks of Stift Heiligenkreuz & Ensemble Vox Gotica
- Benedictine Monks of Santo Domingo de Silos & Sofia Chamber Choir
- Jeremy Summerly, Oxford Camerata & Schola Cantorum Of Oxford
- Capella Gregoriana
- Oxford Camerata, Jeremy Summerly, Radio Svizzera Choir, Lugano, Caterina Trogu, Daniele Carnovich, Mario Cecchetti, Roberta Invernizzi, Roberto Balconi, Diego Fasolis, Accademia Instrumentale Italiana, Sonatori de la Gioiosa Marca, Ars Nova, Bo Holten, Hervé Niquet, Le Concert Spirituel, Oxford Schola Cantorum, Gary Cooper, Bologna Cappella Musicale di St. Petronio, Sergio Vartolo, Tonus Peregrinus & Antony Pitts
- Choralschola Der Wiener Hofburgkapelle & Hubert Dopf S.J.