4:5:7: Difference between revisions
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Note the utility of 4:7:10 |
Fundamental consonance -> fundamental otonal consonance. + link |
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'''4:5:7''', the ''fifthless harmonic seventh chord'', is a [[7-limit]] chord found as a subset of the harmonic seventh chord, [[4:5:6:7]]. It is used as a tuning target for the [[Italian sixth chord|Italian augmented sixth chord]] in [[septimal meantone]]. | '''4:5:7''', the ''fifthless harmonic seventh chord'', is a [[7-limit]] chord found as a subset of the harmonic seventh chord, [[4:5:6:7]]. It is used as a tuning target for the [[Italian sixth chord|Italian augmented sixth chord]] in [[septimal meantone]]. | ||
The open voicing '''4:7:10''' may be used as a fundamental consonance of the [[2.5.7 subgroup]]. It inverts to 14:20:35 with the middle voice contrasting by [[49/40]]. | The open voicing '''4:7:10''' may be used as a fundamental otonal consonance of the [[2.5.7 subgroup]]. It inverts to [[14:20:35]] with the middle voice contrasting by [[49/40]]. | ||
== Rotations around the octave == | == Rotations around the octave == | ||
Revision as of 08:16, 17 March 2026
| Chord information |
har-7 no-5 or h7no5
4:5:7, the fifthless harmonic seventh chord, is a 7-limit chord found as a subset of the harmonic seventh chord, 4:5:6:7. It is used as a tuning target for the Italian augmented sixth chord in septimal meantone.
The open voicing 4:7:10 may be used as a fundamental otonal consonance of the 2.5.7 subgroup. It inverts to 14:20:35 with the middle voice contrasting by 49/40.
Rotations around the octave
Related chords
Chords related to this triad (5-limit except where noted):