7L 7s/13:7: Difference between revisions

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* 4L+3s functions as 10/7 (+8.2¢)
* 4L+3s functions as 10/7 (+8.2¢)


In [[bright]] mode, degrees 0-2-5-8 approximate [[10:11:13:15]], with the [[13-limit|13th harmonic]] being very clear (great for achieving [[xenharmonic|xenharmony]]), the 11th being ~6.4¢ sharp of just, and the15th being 16.3¢ flat... Thia can be extended with 6L+6s to give a somewhat unstable [[10:11:13:15:18]] pentad, or with 6L+5s to stabilise with an outside 7/4. Or spacing it out can yield [[5:9:11:13]] or [[5:9:11:13:15]].
In [[bright]] mode, degrees 0-2-5-8 approximate [[10:11:13:15]], with the [[13-limit|13th harmonic]] being very clear (great for achieving [[xenharmonic|xenharmony]]), the 11th being ~6.4¢ sharp of just, and the 15th being 16.3¢ flat... This can be extended with 6L+6s to give a somewhat unstable [[10:11:13:15:18]] pentad, or with 6L+5s to stabilise with an outside 7/4. Or spacing it out can yield [[5:9:11:13]] or [[5:9:11:13:15]].


Its "5th-inversion" (in quotes because we're remaining in bright mode instead of flipping to dark mode) 0-3-6-8 gives a [[mu chord|mu-chord]]-like [[6:7:8:9]] tetrad. Though it sounds better as just 6:7:9 or 6:7:8, since the 8:9 interval is some 32¢ off.
Its "5th-inversion" (in quotes because we're remaining in bright mode instead of flipping to dark mode) 0-3-6-8 gives a [[mu chord|mu-chord]]-like [[6:7:8:9]] tetrad. Though it sounds better as just 6:7:9 or 6:7:8, since the 8:9 interval is some 32¢ off.