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Mitsuko Shirai, Cologne Radio Chorus, Franz Gerihsen, Josef Otten, Marilyn Schmiege, Roderick Kennedy, Jocelyne Taillon, Cynthia Buchan, Monique Baudoin, Cologne Radio Symphony Orchestra, Gary Bertini, Francine Laurent, Jorg Pavelec
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Paul Hansen, Jutta Bethsold, Hanne Weber, Gisela Uhlmann, Fabio Luisi, Gabriele Weinfurter-Zwink, Rudolf Hillebrand, Munich Radio Orchestra, Heinrich Weber, Bavarian Radio Chorus, Thomas Moser, Munich Boys Choir, Andreas Kohn, Gerald Haussler, Andreas Schulist, Dagmar Schellenberger, Dankwart Siegele, Dietrich Henschel, Marilyn Schmiege
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Marilyn Schmiege, Ann Murray, Konrad Hünteler, Cologne Chamber Choir, Hiro Kurosaki, Dame Emma Kirkby, Paolo Barbacini, Ulf Bjorlin, Martyn Hill, Malcolm Frager, Georg Fischer, Hans-Martin Linde, Cappella Coloniensis, Gabriele Ferro, Peter Seymour
