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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.
Sonido 13 is a theory of microtonal music created by the Mexican composer Julián Carrillo around 1900 [1] and described by Nicolas Slonimsky as "the field of sounds smaller than the twelve semitones of the tempered scale." [2] Carrillo developed this theory in 1895 [3] while he was experimenting with his violin.
Twelve Microtonal Etudes for Electronic Music Media, Op. 28, is a set of pieces in various microtonal equal temperaments composed and released on LP in 1980 by American composer Easley Blackwood Jr. In the late 1970s, Blackwood won a grant from the National Endowment for the Humanities to investigate the harmonic and modal properties of ...
Microtonal music or microtonality is the music with microtones (also called 'microintervals') used as ornamental inflexions of basically diatonic/chromatic scales or substantial elements of specifically microtonal scales. Some scholars also call 'microtonal' music with intervals which deviate from a semitone of the Western 12-tone equal ...
These etudes bring out connections and resemblances to twelve-tone music as well as various xenharmonic characteristics, reflected in Twelve Microtonal Etudes for Electronic Music Media. About his 16-tone etude, Blackwood wrote: [4] This tuning is best thought of as a combination of four intertwined diminished seventh chords.
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).
In 1900, Carrillo attended the International Congress of Music in Paris, presided by Camille Saint-Saëns. He presented a paper, which the Congress accepted and published, on the names of musical sounds. He proposed that, since each note is one sound, each note name (C, D flat, etc.) should be a single syllable. He proposed 35 monosyllabic names.
The modern keyboard is designed for playing a diatonic scale on the white keys and a pentatonic scale on the black keys. Chromatic scales involve both. Three immediately adjacent keys produce a basic chromatic tone cluster.