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- Georg Fischer, Hans-Martin Linde, Paolo Barbacini, Marilyn Schmiege, Malcolm Frager, Martyn Hill, Konrad Hünteler, Cappella Coloniensis, Gabriele Ferro, Hiro Kurosaki, Kölner Kammerchor, Peter Seymour, Ann Murray, Dame Emma Kirkby, Ulf Bjorlin
