Nine limit tetrads: Difference between revisions
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m Moving from Category:9-limit to Category:9-odd-limit using Cat-a-lot |
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The nine-limit just intonation tetrads are subchords of the full nine-limit pentads, omitting one element. | The [[9-odd-limit|nine-limit just intonation]] tetrads are subchords of the full nine-limit [[Pentad|pentads]], omitting one element. | ||
=3-5-7-9= | =3-5-7-9= | ||
These are the otonal subminor tetrad, 1-7/6-3/2-5/3, and the utonal supermajor tetrad, 1-9/7-3/2-9/5, with steps 7/6-9/7-10/9-6/5 and 9/7-7/6-6/5-10/9. | These are the [[Otonality and utonality|otonal]] subminor [[tetrad]], 1-7/6-3/2-5/3, and the [[Otonality and utonality|utonal]] supermajor tetrad, 1-9/7-3/2-9/5, with [[Step|steps]] 7/6-9/7-10/9-6/5 and 9/7-7/6-6/5-10/9. | ||
=1-5-7-9= | =1-5-7-9= | ||
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[[Category:Chords]] | [[Category:Chords]] | ||
[[Category:Tetrad]] | [[Category:Tetrad]] | ||
Revision as of 07:39, 20 April 2023
The nine-limit just intonation tetrads are subchords of the full nine-limit pentads, omitting one element.
3-5-7-9
These are the otonal subminor tetrad, 1-7/6-3/2-5/3, and the utonal supermajor tetrad, 1-9/7-3/2-9/5, with steps 7/6-9/7-10/9-6/5 and 9/7-7/6-6/5-10/9.
1-5-7-9
These are the otonal, 1-9/8-5/4-7/4 and the utonal, 1-7/5-14/9-7/4, with steps 9/8-10/9-7/5-8/7 and 7/5-10/9-9/8-8/7.
1-3-7-9
These are the otonal, 1-9/8-3/2-7/4, and the utonal, 1-4/3-3/2-12/7, with steps 9/8-4/3-7/6-8/7 and 4/3-9/8-8/7-7/6.
1-3-5-9
These are the otonal, 1-9/8-5/4-3/2, sometimes called add2, and the utonal, 1-6/5-4/3-3/2, with steps 9/8-10/9-6/5-4/3 and 6/5-10/9-9/8-4/3 respectively.