ALBUMElektra (Live recording)Michaela Schuster, Evelyn Herlitzius, Camilla Nylund, Hubert Delamboye, Gerd Grochowski, De Nederlandse Opera, Netherlands Philharmonic Orchestra & Marc Albrecht
ALBUMStraus: Die lustigen NibelungenMartin Gantner, Michael Nowak, Daphne Evangelatos, Siegfried Kohler, Cologne Radio Chorus, Cologne Radio Orchestra, Lisa Griffith, Gabriele Henkel, Heinz Heidbuchel, Gerd Grochowski, Josef Otten, Christine Mann & Gudrun Volkert
ALBUMBeethoven: FidelioPeter Rose, Martin Schwab, Brigitte Geller, Bertrand De Billy, Kurt Streit, ORF Radio Symphony Orchestra Vienna, Dietmar Kerschbaum, Gerd Grochowski, Thomas Ebenstein, Camilla Nylund, Arnold Schoenberg Choir, Ralf Lukas & Markus Raab
ALBUMKunneke, E.: Die Lockende FlammeRalf Lukas, Christiane Hossfeld, Gerhard Peters, Cologne Radio Chorus, Gerd Grochowski, Maria Malle, Zoran Todorovich, Cologne Radio Orchestra, Jurgen Sacher, Theodor Weimer, Peter Falk & Birgit Fandrey
ALBUMLehar, F.: Gold and SilverCologne Radio Symphony Orchestra, Jana Scharkowskaja, Helmut Froschauer, Thomas Dewald, Cologne Radio Chorus, Cologne Radio Orchestra, Daniel Froschauer & Gerd Grochowski
ALBUMWeill, K.: Kuhhandel (Der) [Opera]Lucy Peacock, Walter Raffeiner, Franz Gerihsen, Jan Latham-Koenig, Eberhard Buchner, Udo Holdorf, Cologne Radio Chorus, Cologne Radio Orchestra, Frederic Mayer, Christian Schotenrohr, Oskar Hillebrandt, Dariusz Niemirowicz, Ingeborg Most, Renate Zimmermann, Regina Rottger, Heinz Heidbuchel, Jose Wagner, Gerd Grochowski, Josef Otten & Dieter Müller