Mainzer Domchor, Mathias Breitschaft, Duo Chaminade, St.-Martins-Chorknaben Biberach, Johannes Striegel, Ex-semble Munchweiler Chamber Choir, Christoph Hassler, Les Escapades, Petra Föhr Floreani, Charlotte Reece, Carla Ehlers, Johanna Lange, Salut Salon, Vocalisa Vocal Ensemble, Birgit Ensminger-Busse, Mareike Rother-Spohn, Thomas Winkler, Ensemble 85, Martin Folz, Martin Ramroth, LaFilia Ensemble, Michael Fuxius, Secret des Muses Lute Quartet, St. Michael Boys Choir, Harald Elser, Michael Pöhlmann, Sira Selugga, Thomas Frassle, Christian Geugelin, Jasmin Schächtele, Vivaldiana Violin Ensemble, Rositza Szymanska, Dora Entcheva, Jirni Skopal, Jitro Children's Choir, Michael Hofmann, Chantal Instrumental Ensemble, Mädchenkantorei Rottweil, Andreas Puttkammer, Cosima Speer, Filip Marius, Sarah-Luise Raschke, Josef Gabriel Rheinberger, Western Eifel Chamber Choir, Christian Schmitt, Thomas Hammes, Feodora-Johanna Gabler, Christoph Bielefeld, Baden-Baden Philharmonic Orchestra, Pavel Baleff, Yasushi Ideue, Alexandra Bossak, Schaumberger Kantorei, Joachim Oehm, Mainzer Dombläser, Rastatt Vocal Ensemble & Holger Speck
Nova Schola Gregoriana, Alberto Turco, Markus Schäfer, Hanno Müller-Brachmann, Sunhae Im, Marianne Beate Kielland, Ann Hallenberg, Dresden Chamber Choir, Helmut Müller-Brühl, Cologne Chamber Orchestra, Oxford Camerata, Jeremy Summerly, Vittorio Zanon, Consortium Carissimi, Hervé Niquet, Le Concert Spirituel, Colin Ainsworth, Jane Archibald, Michele de Boer, Marion Newman, Nancy Reynolds, Anne L'Esperance, James McLennan, David Nortman, Estaban Cambre, Giles Tomkins, Kevin Mallon, Aradia Ensemble, Jean-Baptiste Robin, Michel Sanvoisin, Ars Antiqua de Paris, Tonus Peregrinus, Antony Pitts, Frederic Munoz, Grupo Vocal Gregor, Dante Andreo, Santa Cruz Benedictine Abbey Schola, Laurentino Saenz de Buruaga & Oxford Schola Cantorum
Bayreuther Festspiele Orchester, Hans Knappertsbusch, Josef Greindl, Paula Lenchner, Elisabeth Schärtel, Alfred Pfeifle, Gerhard Stolze, Martha Mödl & Dietrich Fischer-Dieskau
Berlin Philharmonic, Christine Schäfer, Dorothea Röschmann, Ekkehard Schall, Elisabeth von Magnus, Endrik Wottrich, Gilles Cachemaille, Kurt Moll, Luba Orgonasova, Marcia Bellamy, Matti Salminen, Nikolaus Harnoncourt, Rundfonkchor Berlin & Wolfgang Holzmair
Frans Brüggen, Cappella Amsterdam, Orchestra of the 18th Century, Markus Schäfer, Thomas Oliemans, Michael Chance, Carolyn Sampson, Pierre-Guy Le Gall White, Jon Etxabe-Arzuaga Groenland, Bart Oenema, Guido Groenland, Marcel Beekman & Peter Kooij
Markus Schäfer, Christine Schafer, Thomas Quasthoff, Ingeborg Danz, Windsbacher Boys Choir, Karl-Friedrich Beringer, Laubin Trumpet Ensemble & Deutsche Kammerakademie
Staatskapelle Berlin, Johannes Schüler, Erna Berger, Else Tegetthoff, Eugen Fuchs, Peter Anders, Josef Greindl, Franz Sauer & Berlin State Opera Chorus
The Metropolitan Opera Orchestra, The Metropolitan Opera Chorus, Hans Hopf, Victoria de los Ángeles, Hertha Glaz, Richard Holm, Josef Greindl, Paul Schöffler, Thomas Hayward, Gerhard Pechner, Algerd Brazis, Mack Harrell, Osie Hawkins, Alessio De Paolis, Joseph Folmer, Emery Darcy, Lorenzo Alvary, Clifford Harvuot & Lawrence Davidson
