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Scale 1809

Scale 1809, Ian Ring Music Theory
iiii

i = imperfections

Tones5 (pentatonic)
Pitch Class Set{0,4,8,9,10}
Forte Number5-13
Rotational Symmetrynone
Palindromicno
Hemitonia2 (dihemitonic)
Cohemitonia1 (uncohemitonic)
Imperfections4
Modes4
Prime?no
prime: 279
Chiralityyes
enantiomorph: 285
Deep Scaleno
Interval Vector221311
Interval Spectrumpm3ns2d2t
Distribution Spectra<1> = {1,2,4}
<2> = {2,3,5,6,8}
<3> = {4,6,7,9,10}
<4> = {8,10,11}
Spectra Variation3.6
Myhill Propertyno
Balancedno
Coherenceno
Heliotonicno

Modes

Modes are the rotational transformation of this scale. Scale 1809 can be rotated to make 4 other scales. The 1st mode is itself.

2nd mode:
Scale 369
Scale 369, Ian Ring Music Theory
3rd mode:
Scale 279
Scale 279, Ian Ring Music TheoryThis is the prime mode
4th mode:
Scale 2187
Scale 2187, Ian Ring Music Theory
5th mode:
Scale 3141
Scale 3141, Ian Ring Music Theory

Prime

The prime form of this scale is Scale 279

Scale 279Scale 279, Ian Ring Music Theory

Negative

The pentatonic modal family [1809, 369, 279, 2187, 3141] is the negative of the heptatonic modal family [375, 1815, 1905, 2235, 2955, 3165, 3525]

Inverse

The inverse of a scale is a reflection using the root as its axis. The inverse of 1809 is 285

Scale 285Scale 285, Ian Ring Music Theory

Enantiomorph

Only scales that are chiral will have an enantiomorph. Scale 1809 is chiral, and its enantiomorph is scale 285

Scale 285Scale 285, Ian Ring Music Theory

Nearby Scales:

These are other scales that are similar to this one, created by adding a tone, removing a tone, or moving one note up or down a semitone.

Scale 1811Scale 1811, Ian Ring Music Theory
Scale 1813Scale 1813, Ian Ring Music Theory
Scale 1817Scale 1817, Ian Ring Music Theory
Scale 1793Scale 1793, Ian Ring Music Theory
Scale 1801Scale 1801, Ian Ring Music Theory
Scale 1825Scale 1825, Ian Ring Music Theory
Scale 1841Scale 1841, Ian Ring Music Theory
Scale 1873Scale 1873, Ian Ring Music Theory
Scale 1937Scale 1937, Ian Ring Music Theory
Scale 1553Scale 1553, Ian Ring Music Theory
Scale 1681Scale 1681: Raga Valaji, Ian Ring Music TheoryRaga Valaji
Scale 1297Scale 1297, Ian Ring Music Theory
Scale 785Scale 785, Ian Ring Music Theory
Scale 2833Scale 2833, Ian Ring Music Theory
Scale 3857Scale 3857, Ian Ring Music Theory

This scale analysis was created by Ian Ring, Canadian Composer of works for Piano, and total music theory nerd. The software used to generate this analysis is an open source project at GitHub. Scale notation generated by VexFlow, and MIDI playback by MIDI.js