Major and minor triads: Difference between revisions

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m In just intonation: lower limits should be first
 
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A '''major triad''' is a [[triad]] comprising a root, [[major]] third, and [[perfect]] fifth.
A '''major triad''' is a [[triad]] comprising a root, [[major]] third, and [[perfect]] fifth.


In the 7-limit:
In the 3-limit:


* [[14:18:21]], a ''supermajor triad'', is a [[9-odd-limit]] chord that tunes the third sharper than the 5-limit major.
* [[64:81:96]] is found on the I, IV, and V of the Pythagorean [[5L 2s|diatonic scale]].


In the 5-limit:
In the 5-limit:
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* [[4:5:6]] is found on the I ({{Frac|1|1}}), IV ({{Frac|4|3}}), and V ({{Frac|3|2}}) of Ptolemy's intense diatonic scale ([[Zarlino]]).
* [[4:5:6]] is found on the I ({{Frac|1|1}}), IV ({{Frac|4|3}}), and V ({{Frac|3|2}}) of Ptolemy's intense diatonic scale ([[Zarlino]]).


In the 3-limit:
In the 7-limit:


* [[64:81:96]] is found on the I, IV, and V of the Pythagorean [[5L 2s|diatonic scale]].
* [[14:18:21]], a ''supermajor triad'', is a [[9-odd-limit]] chord that tunes the third sharper than the 5-limit major.


=== Simple minor triads ===
=== Simple minor triads ===
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A '''minor triad''' is a [[triad]] comprising a root, [[minor]] third, and fifth.
A '''minor triad''' is a [[triad]] comprising a root, [[minor]] third, and fifth.


In the [[7-limit]]:
In the [[3-limit]]:
* [[6:7:9]], a ''subminor triad'', is a [[9-odd-limit]] chord that tunes the third flatter than the 5-limit minor.
* [[54:64:81]] is found on the ii ({{Frac|9|8}}), iii ({{Frac|81|64}}), and vi ({{Frac|27|16}}) of the Pythagorean diatonic scale.


In the [[5-limit]]:
In the [[5-limit]]:
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* [[27:32:40]] is found on the ii ({{Frac|9|8}}) of Ptolemy's intense diatonic scale.
* [[27:32:40]] is found on the ii ({{Frac|9|8}}) of Ptolemy's intense diatonic scale.


In the [[3-limit]]:
In the [[7-limit]]:
* [[54:64:81]] is found on the ii ({{Frac|9|8}}), iii ({{Frac|81|64}}), and vi ({{Frac|27|16}}) of the Pythagorean diatonic scale.
* [[6:7:9]], a ''subminor triad'', is a [[9-odd-limit]] chord that tunes the third flatter than the 5-limit minor.


== SCL files ==
== SCL files ==