St. Martins Chorknaben Biberach, Johannes Striegel, Ulmer Spatzen Chor, Barbara Comes, Hans de Gilde, South West German Radio Big Band, Paul Carrack, Discorsi Salottieri, Folklorechor Plochingen, Hans-Gunther Driess, Albrecht Volz, Ulrich Weissert, Christina-Anna Tsiakiris, Rena Tsiakiris, Stuttgart Vocal Ensemble, Marcus Creed, German Brass, Enrique Crespo, St. Quintin Cathedral Girl's Choir, Isabelle Müller, Karsten Storck, Bigband Brass and Fun, Sarah Lipfert, Bernhard Kölmel, Michael Hofmann, Chantal Instrumental Ensemble, Martin Ramroth, LaFilia Ensemble, Mirjam Eppelsheimer, Charlotte Mengel, Kevin Schwarz, Adrian Nagel, Sebastian Hennemann, Hèléne Lindqvist, Patrick Wieland, Ariane Müller, Christoph Jung, Evelyn Czesla, Eva Maria Günschmann, Stuttgart Children's Choir, Johannes Knecht, Bernhard Leonardy, Vocal Ensemble '83, Christoph Hassler, Munchweiler Ex-semble Chamber Choir, Michael Fuxius, Koblenz Via Nova Concert Choir, Thomas Hammes, Christian Schmitt, Kyoko Tanino, Junges Chamber Choir Constance, Wolfgang Mettler, Chor-Art Stuttgart, Regine Eccard, Anze Ganzenmüller, Ileana Mateescu, Christian Rathgeber, Danilo Tepsa, Petra Föhr Floreani, Marc Marshall, Jay Alexander, Pada-Sternchen Children's Choir & Pauline Floreani
