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Microtonality is the use in music of microtones — intervals smaller than a semitone, also called "microintervals".It may also be extended to include any music using intervals not found in the customary Western tuning of twelve equal intervals per octave.
In African cultures, just intonation scales are the norm rather than the exception. [15] As the blues appears to have derived from a cappella field hollers of African slaves, it would be expected that its notes would be of just intonation origin closely related to the musical scales of western Africa.
12-tone equal temperament chromatic scale on C, one full octave ascending, notated only with sharps. Play ascending and descending ⓘ. 12 equal temperament (12-ET) [a] is the musical system that divides the octave into 12 parts, all of which are equally tempered (equally spaced) on a logarithmic scale, with a ratio equal to the 12th root of 2 (≈ 1.05946).
Some chord charts also contain rhythmic information, indicated using slash notation for full beats and rhythmic notation for rhythms. This is the most common kind of written music used by professional session musicians playing jazz or other forms of popular music and is intended primarily for the rhythm section (usually containing piano ...
In microtonal music, magic temperament is a regular temperament whose period is an octave and whose generator is an approximation to the 5/4 just major third. [1] [2] [3] In 12-tone equal temperament, three major thirds add up to an octave, since it tempers the interval 128/125 to a unison.
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.
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Microtonal musicians use tuning systems other than 12-tone equal temperament, or whatever the standard tuning for their culture is. Subcategories This category has only the following subcategory.