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Das Blaue Klavier - Kammeroper von Albena Petrovic Libretto von Matthias Theodor Vogt by Petrovic, sun 05 maí 2024, Frá (2024/2024), Leikstýrt af Ingolf Huhn,, Hljómsveitarstjóri Karl Friedrich Winter, Eduard-von-Winterstein-Theater, Annaberg, Germany