Ivan Alexandrovich Wyschnegradsky, transliterated as Vïshnegradsky, Wyschnegradsky, Wischnegradsky, Vishnegradsky, and Wishnegradsky. The composer's preferred transliteration was "Wyschnegradsky".|group=n}} ( ; September 29, 1979), was a Russian composer primarily known for his microtonal compositions. For most of his life, from 1920 onwards, Wyschnegradsky lived in Paris.
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