Ivan Wyschnegradsky

Ivan Alexandrovich Wyschnegradsky (US: vish-ne-GROD-skee; May 14 [O.S. 2 May] 1893 – September 29, 1979), was a Russian composer primarily known for his microtonal compositions, including the quarter tone scale (24-tet: 50 cents) utilized in his pieces for two pianos in quarter tones. He also used scales of up to 72 divisions (mainly third (18-tet: 66.6 cents), sixth (36-tet: 33.3 cents), and tw… More