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| Color name = c<sup>4</sup>19o3, quadcono 3rd | | Color name = c<sup>4</sup>19o3, quadcono 3rd | ||
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'''19/1''', the '''19th harmonic''', is the [[harmonic]] past [[18/1]] and before [[20/1]]. It is about four [[ | '''19/1''', the '''19th harmonic''', is the [[harmonic]] past [[18/1]] and before [[20/1]]. It is about four [[2/1|octaves]] and three [[semitone (interval size measure)|semitones]] in size. Used in harmony, it sounds particularly wide: if the lower note is C2, the higher note will be about D#6 or Eb6. Think of a soprano and a bass at their extremes. It is however, the basis of [[19-limit]] harmony, as many 19-limit intervals can be expressed as the difference between this and another harmonic. | ||
== See also == | == See also == | ||
* [[19/16]] – its [[octave reduction|octave-reduced]] form | * [[19/16]] – its [[octave reduction|octave-reduced]] form | ||