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The Exciting Universe Of Music Theory

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Scale 1921

Scale 1921, Ian Ring Music Theory
iiii

i = imperfections

Tones5 (pentatonic)
Pitch Class Set{0,7,8,9,10}
Forte Number5-2
Rotational Symmetrynone
Palindromicno
Hemitonia3 (trihemitonic)
Cohemitonia2 (dicohemitonic)
Imperfections4
Modes4
Prime?no
prime: 47
Chiralityyes
enantiomorph: 61
Deep Scaleno
Interval Vector332110
Interval Spectrumpmn2s3d3
Distribution Spectra<1> = {1,2,7}
<2> = {2,3,8,9}
<3> = {3,4,9,10}
<4> = {5,10,11}
Spectra Variation5.2
Myhill Propertyno
Balancedno
Coherenceno
Heliotonicno

Modes

Modes are the rotational transformation of this scale. Scale 1921 can be rotated to make 4 other scales. The 1st mode is itself.

2nd mode:
Scale 47
Scale 47, Ian Ring Music TheoryThis is the prime mode
3rd mode:
Scale 2071
Scale 2071, Ian Ring Music Theory
4th mode:
Scale 3083
Scale 3083, Ian Ring Music Theory
5th mode:
Scale 3589
Scale 3589, Ian Ring Music Theory

Prime

The prime form of this scale is Scale 47

Scale 47Scale 47, Ian Ring Music Theory

Negative

The pentatonic modal family [1921, 47, 2071, 3083, 3589] is the negative of the heptatonic modal family [191, 2017, 2143, 3119, 3607, 3851, 3973]

Inverse

The inverse of a scale is a reflection using the root as its axis. The inverse of 1921 is 61

Scale 61Scale 61, Ian Ring Music Theory

Enantiomorph

Only scales that are chiral will have an enantiomorph. Scale 1921 is chiral, and its enantiomorph is scale 61

Scale 61Scale 61, 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 1923Scale 1923, Ian Ring Music Theory
Scale 1925Scale 1925, Ian Ring Music Theory
Scale 1929Scale 1929, Ian Ring Music Theory
Scale 1937Scale 1937, Ian Ring Music Theory
Scale 1953Scale 1953, Ian Ring Music Theory
Scale 1985Scale 1985, Ian Ring Music Theory
Scale 1793Scale 1793, Ian Ring Music Theory
Scale 1857Scale 1857, Ian Ring Music Theory
Scale 1665Scale 1665, Ian Ring Music Theory
Scale 1409Scale 1409, Ian Ring Music Theory
Scale 897Scale 897, Ian Ring Music Theory
Scale 2945Scale 2945, Ian Ring Music Theory
Scale 3969Scale 3969, 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