Quarter tone

In Music, a quarter tone is a interval equivalent (logarithmiquement) at half of the Demi-ton, this last being equivalent to half of the your.

In equal Temperament, the quarter tone makes 50 hundred or 2^1/24, is 1,029302236643.

Many a Compositeur S is known to have written Musique including quarter tones or the range of the quarter tones , among which:

Qualities Haba
Charles Ives
Ivan Vychnegradsky

This interval is very present in many Maqâm S of the Arab Musique like in the Turkish Musique (Othoman classical music - Türk sanat müziği) and Persian.

Ancient Greece

The quarter tone was used in certain scales of the music Greek antique. This type of quarter tone - pertaining to the kind known as enharmonic - is called diésis . Its extent varies according to the theorists: 36/35, 28/27, 39/38, 40/39, 31/30, 32/31. See the kind in the music of ancient Greece.

Modern music

Certain groups of music known as " experimentale" , such Sigur Ros, employs the range or quarter tone identical to those of the tonal system but of which each degree is increased/lowered by one or of three quarter tones. (An example is écoutable in the song " Hun Jord" of Sigur Ros which is played in a shifted range of semi minor of a quarter tone upwards.)

See too

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