159edo/Interval names and harmonies: Difference between revisions

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| Lesser Subminor Third, Wide Ultramajor Second
| Lesser Subminor Third, Wide Ultramajor Second
| Et>, Fd>↑, F↓\
| Et>, Fd>↑, F↓\
| As the approximation of the Septimal Subminor Third, those who are not already familiar with septimal harmony will find this interval useful in forming not only strident-sounding triads framed by the Perfect Fifth, but also other, ambisonant triads framed by the Perfect Fourth; in addition, three of these add up to the Pythagorean Minor Sixth.
| This interval...
* Approximates the [[7/6|Septimal Subminor Third]], and as such...
:* Can readily occur as the distance between two notes in a single chord in Western-Classical-based polypedal harmony, as per this system's version of the Dinner Party Rules<ref>[https://www.youtube.com/watch?v=A355E0MKw7A Quartertone Harmony - The Truth About Quartertone Chords SD 480p]</ref>, and it should be noted that...
::* This causes ambisonance, so chords that utilize it are prone to decomposition
:* It readily serves as one of the key Paradiatonic intervals in Western-Classical-based Paradiatonic functional harmony, since...
::* It functions as a Contravaricant due to its semiambitonal properties relative to the Diatonic scale
::* It is useful in forming not only strident-sounding triads framed by the Perfect Fifth, but also other, ambisonant triads framed by the Perfect Fourth
*Is one third of this system's approximation of the Pythagorean Minor Sixth.
* Is very useful for [[essentially tempered chord]]s such as [[Keenanismic chords]].
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