Sabine Lutzenberger, Mihran Ghazelian, Steve Roach, Munich Hochschule Madrigal Choir, Utrecht Students' Chamber Choir, Saad Ullah Khan, Jan Boogaarts, Oxford Camerata, David Hykes, Monks of the Dip Tse Chok Ling Monastery, Jeremy Summerly, Max Frey, Perry Silverbird, Huseyin Erek, Timothy Hill, Rainer Herpichbohm, Haissmavourk Choir, Ömer Faruk Tekbilek, Brian Keane, Karineh Avetissian, Augsburg Early Music Ensemble, David Hudson
