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Microtone

Use in music of microtones (intervals smaller than a semitone)Composer Charles Ives chose the chord above as a good candidate for a "fundamental" chord in the quarter tone scale, akin not to the tonic but to the major chord of traditional tonalityTwo examples of an Ives fundamental chord with quarter tonesMicrotonality is the use in music of microtones — intervals smaller than a semitone, also called "microintervals".

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