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In music, just intonation or pure intonation is the tuning of musical intervals as whole number ratios (such as 3:2 or 4:3) of frequencies. An interval tuned in this way is said to be pure, and is called a just interval .
Most just intonation tunings have the problem that they cannot modulate to a different key (a very common means of expression throughout the common practice period of music) without discarding many of the tones used in the previous key, thus for every key to which the musician wishes to modulate, the instrument must provide a few more strings ...
Diatonic scale on C, equal tempered Play ⓘ and Ptolemy's intense or just Play ⓘ.. Ptolemy's intense diatonic scale, also known as the Ptolemaic sequence, [1] justly tuned major scale, [2] [3] [4] Ptolemy's tense diatonic scale, or the syntonous (or syntonic) diatonic scale, is a tuning for the diatonic scale proposed by Ptolemy, [5] and corresponding with modern 5-limit just intonation. [6]
Semantic Daniélou-53. The semantic system is based on a microtonal musical scale tuned in just intonation, developed by Alain Daniélou.. For Daniélou, the subtleties of the intervals of music of oral traditions cannot be expressed using the equal temperament tuning system of 12 notes per octave, which has been the prevalent system in Western culture for around two centuries.
The expression occurs primarily in French-language works of the 17th and 18th centuries concerning theory and practice of musical intonation with regard to keyboard instruments. [ 1 ] [ 2 ] It is discussed again, in the same or a similar musical application, in modern literature concerned with historical practices relating to keyboard ...
Jacques Dudon (French pronunciation: [ʒak dydɔ̃]) is a French just intonation composer and instrument builder. He is best known for developing a series of photosonic disk (disque photosonique) instruments in the 1980s that produced sound from modulated light (a light source shines through painted glass discs; the resulting patterns of light are picked up by photo cells and converted into a ...
RAGA in just intonation [2] Hairy Hippy Happy: Horn, trombone, tuba 2006–10 Marc Sabat: 23 [12] Just Ancient Loops: Multi-track cellos 2008–12 Michael Harrison: 11 Cantaloupe album (2012) [citation needed] Euler Lattice Spirals Scenery: String quartet 2011 Marc Sabat: 7 [12] Our Rainy Season: Flute, bass flute, alto saxophone, contrabass ...
Harry Partch (June 24, 1901 – September 3, 1974) was an American composer, music theorist, and creator of unique musical instruments.He composed using scales of unequal intervals in just intonation, and was one of the first 20th-century composers in the West to work systematically with microtonal scales, alongside Lou Harrison.