128/81: Difference between revisions
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'''128/81''' is the '''Pythagorean minor sixth''', created by stacking four instances of [[4/3]] and [[Octave reduction|octave-reducing]]. In contrast to the more typical [[8/5]] | '''128/81''' is the '''Pythagorean minor sixth''', created by stacking four instances of [[4/3]] and [[Octave reduction|octave-reducing]]. In contrast to the more typical [[8/5]]—with which it is conflated in [[meantone]]—this interval has a [[harmonic entropy]] level roughly on par with that of [[12/11]]. Thus, some would argue that it is functionally an imperfect dissonance. | ||
== See also == | == See also == | ||
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[[Category:Sixth]] | [[Category:Sixth]] | ||
[[Category:Minor sixth]] | [[Category:Minor sixth]] | ||
Latest revision as of 07:26, 3 January 2025
| Interval information |
reduced subharmonic
[sound info]
128/81 is the Pythagorean minor sixth, created by stacking four instances of 4/3 and octave-reducing. In contrast to the more typical 8/5—with which it is conflated in meantone—this interval has a harmonic entropy level roughly on par with that of 12/11. Thus, some would argue that it is functionally an imperfect dissonance.