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A semitone is thus made of two steps, and three steps make a three-quarter tone or neutral second, half of a minor third. The 8-TET scale is composed of three-quarter tones. Four steps make a whole tone. Quarter tones and intervals close to them also occur in a number of other equally tempered tuning systems.
Dialogue, for two pianos tuned a quarter-tone apart, eight hands, W.o.O. (1959) Dithyrambe, for two pianos tuned a quarter-tone apart, Op. 12 (1923–1924) Études sur les mouvements rotatoires, for two pianos tuned a quarter-tone apart, eight hands, Op. 45a.; for chamber orchestra, Op. 45c (1961)
Comparison between tunings: Pythagorean, equal-tempered, quarter-comma meantone, and others.For each, the common origin is arbitrarily chosen as C. The degrees are arranged in the order or the cycle of fifths; as in each of these tunings except just intonation all fifths are of the same size, the tunings appear as straight lines, the slope indicating the relative tempering with respect to ...
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Brian Ferneyhough (Great Britain, b. 1943, quarter tones, 31ET in Unity Capsule for solo flute, 1976; quarter tones and eighth tones in La Chute d'Icare, 1988) Jukka Tiensuu (Finland, b. 1948, quarter tones, non equal temperament tunings) Mathius Shadow-Sky (France, b. 1961, introduces acyclic nonoctave scales in 1980) [111]
A septimal quarter tone (in music) is an interval with the ratio of 36:35, which is the difference between the septimal minor third and the Just minor third, or about 48.77 cents wide. The name derives from the interval being the 7-limit approximation of a quarter tone .
Op. 24, 1st Suite for quarter-tone clarinet & quarter-tone piano (1925) Op. 25 , 4th Fantasy for quarter-tone piano (1925) Op. 26 , 5th Fantasy for quarter-tone piano (1925)
Two steps of seven-tone equal temperament form an interval of 342.8571 cents, which is within 5 cents of 347.4079 for the undecimal (11:9) neutral third. [12] This is an equal temperament in reasonably common use, at least in the form of "near seven equal", as it is a tuning used for Thai music as well as the Ugandan Chopi tradition of music. [13]