27/1: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Name = 27th harmonic
| Name = 27th harmonic
| Color name = c<sup>4</sup>w6 <br> quadcowa 6th
}}
}}
'''27/1''', the '''27th harmonic''', is the [[harmonic]] past [[26/1]] and before [[28/1]]. It is about four [[octave]]s and nine [[semitone]]s in size. Used in harmony, it sounds particularly wide: if the base note is F1, the higher note will be about D6. That is for all practical purposes beyond the range of {{w|choral music}}. However, it can be approached as a stack of three [[3/1]]'s, making [[chord]]s like 1-3-9-27.  
'''27/1''', the '''27th harmonic''', is the [[harmonic]] past [[26/1]] and before [[28/1]]. It is about four [[2/1|octaves]] and nine [[semitone (interval size measure)|semitones]] in size. Used in harmony, it sounds particularly wide: if the base note is F1, the higher note will be about D6. That is for all practical purposes beyond the range of {{w|choral music}}. However, it remains useful in some instrumental solos and ensembles. It can be approached as a stack of three [[3/1]]'s, making [[chord]]s like 1−3−9−27.  


== See also ==
== See also ==
* [[27/16]] – its [[octave reduction|octave-reduced]] form
* [[27/16]] – its [[octave reduction|octave-reduced]] form

Latest revision as of 17:03, 26 February 2025

Interval information
Ratio 27/1
Factorization 33
Monzo [0 3
Size in cents 5705.865¢
Name 27th harmonic
Color name c4w6
quadcowa 6th
FJS name [math]\displaystyle{ \text{M34} }[/math]
Special properties harmonic
Tenney norm (log2 nd) 4.75489
Weil norm (log2 max(n, d)) 9.50978
Wilson norm (sopfr(nd)) 9
Open this interval in xen-calc

27/1, the 27th harmonic, is the harmonic past 26/1 and before 28/1. It is about four octaves and nine semitones in size. Used in harmony, it sounds particularly wide: if the base note is F1, the higher note will be about D6. That is for all practical purposes beyond the range of choral music. However, it remains useful in some instrumental solos and ensembles. It can be approached as a stack of three 3/1's, making chords like 1−3−9−27.

See also