4:5:7: Difference between revisions

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{{Infobox Chord|ColorName=yo zo-7 no-5 or y,z7no5, har-7 no-5 or h7no5}}
{{Infobox Chord|ColorName=yo zo-7 no-5 or y,z7no5, har-7 no-5 or h7no5}}


'''4:5:7''' 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 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 ==
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[[File:SculpEufaDem5-7-8-onD.mp3|none|thumb|5:7:8 "1st inversion"]]
[[File:SculpEufaDem5-7-8-onD.mp3|none|thumb|5:7:8 "1st inversion"]]
[[File:SculpEufaDem7-8-10-onD.mp3|none|thumb|7:8:10 "2nd inversion"]]
[[File:SculpEufaDem7-8-10-onD.mp3|none|thumb|7:8:10 "2nd inversion"]]
{{chord edo approximation}}


== Related chords ==
== Related chords ==
Chords related to this triad (5-limit except where noted):
Chords related to this triad (5-limit except where noted):  
* 4:7:10 - open voicing
* [[4:6:7]] – no-fives version
* [[4:6:7]] - no fives version
* [[4:5:6:7]] full tetrad
* [[4:5:6:7]] - full tetrad
* [[28:35:40]] – its inverse


[[Category:Italian sixth chords|#]]
[[Category:Italian sixth chords|#]]