The Arditti Quartet Champions the Maximalist Microtonality of Ivan Wyschnegradsky | San Francisco Classical Voice
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MICL - Music Information Centre Lithuania | Rūta STANEVIČIŪTĖ | Microtonal Music: From the Baltic to the Adriatic and beyond the Atlantic
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Microtonal piano sounds: a 1930s audio recording and a unique score of Ivan Wyschnegradsky's Ainsi parlait Zarathoustra in Rare Music – Archives and Special Collections
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Quarter note, half note, and whole note: the basics of rhythm
New design for the quarter-tone piano unveiled in Finland
