Dionysos is an opera by Wolfgang Rihm based on Friedrich Nietzsche's "Dionysian-Dithyrambs". The composer wrote the libretto and subtitled his work: "Opernphantasie nach Texten von Friedrich Nietzsche / Szenen und Dithyramben" ("Operatic fantasy after texts by Friedrich Nietzsche / Scenes and dithyrambs). It premiered at the Salzburg Festival on 27 July 2010.
The opera was first performed publicly in Austria in the summer of 2010
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