Island chords: Difference between revisions

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The '''island tetrad''' is an [[Dyadic chord#Essentially tempered dyadic chords|essentially tempered dyadic chord]] which under [[octave reduction]] consists of three [[15/13]] intervals followed by a [[13/10]], which closes on the octave since the [[island comma]], [[676/675]], is [[tempering out|tempered out]]; in other words a 15/13-15/13-15/13-13/10 chord. It can also be viewed as an island tempered version of 1-15/13-[[4/3]]-[[20/13]]. Contained within it are a [[barbados triad]], the 1-13/10-[[3/2]] chord, and an [[island triad]], the 1-15/13-4/3 chord, which in another position is the 1-3/2-[[26/15]] chord. Another island chord of interest is a 26/15 over a major triad, 1-5/4-3/2-26/15, 5/4-6/5-15/13-15/13 in terms of intervals.

== See also ==

* [[Arto and Tendo Theory]]

[[Category:15-limit]]

[[Category:Chords]]

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 The '''island tetrad''' is an [[Dyadic chord#Essentially tempered dyadic chords|essentially tempered dyadic chord]] which under [[octave reduction]] consists of three [[15/13]] intervals followed by a [[13/10]], which closes on the octave since the [[island comma]], [[676/675]], is [[tempering out|tempered out]]; in other words a 15/13-15/13-15/13-13/10 chord. It can also be viewed as an island tempered version of 1-15/13-[[4/3]]-[[20/13]]. Contained within it are a [[barbados triad]], the 1-13/10-[[3/2]] chord, and an [[island triad]], the 1-15/13-4/3 chord, which in another position is the 1-3/2-[[26/15]] chord. Another island chord of interest is a 26/15 over a major triad, 1-5/4-3/2-26/15, 5/4-6/5-15/13-15/13 in terms of intervals.
+== See also ==
+* [[Arto and Tendo Theory]]
 [[Category:15-limit]]
 [[Category:Chords]]