12:15:18:20: Difference between revisions

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-The '''just added sixth chord''' is a 5-prime-limit, 9-odd-limit chord of just intonation which is an "ASS", or [[anomalous saturated suspension]]. In close position, it is 12:15:18:20 (1⁄1–5⁄4–3⁄2–5⁄3), with steps 5/4, 6/5 and 10/9. Its inversion is 10:12:15:18 (1⁄1–6⁄5–3⁄2–9⁄5), in which form it can be called a just minor seventh chord.
+{{Infobox Chord|12:15:18:20|ColorName=yo-6 or y6}}
+'''12:15:18:20''', the ''just'', ''classical'', or ''ptolemaic major sixth chord'', is a [[major sixth chord]] in the [[5-limit]], with steps [[5/4]], [[6/5]], and [[10/9]]. It is an [[anomalous saturated suspension]] in the [[9-odd-limit]].
-[[Category:Dyadic chords]]
-[[Category:Tetrad]]
+{{chord edo approximation}}
-[[Category:5-limit chords]]
-[[Category:9-odd-limit chords]]
-[[Category:ASS]]
+== See also ==
+* Its [[chord homonym|homonym]] [[10:12:15:18]] (1/1–6/5–3/2–9/5), a [[minor seventh chord]].
+{{Todo|expand}}
+[[Category:Tetrads]]