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The Exciting Universe Of Music Theory

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Scale 1999

Scale 1999, Ian Ring Music Theory

i = imperfections

Tones9 (nonatonic)
Pitch Class Set{0,1,2,3,6,7,8,9,10}
Forte Number9-5
Rotational Symmetrynone
Hemitonia7 (multihemitonic)
Cohemitonia5 (multicohemitonic)
prime: 991
enantiomorph: 3709
Deep Scaleno
Interval Vector766674
Interval Spectrump7m6n6s6d7t4
Distribution Spectra<1> = {1,2,3}
<2> = {2,3,4}
<3> = {3,4,5}
<4> = {4,5,6}
<5> = {6,7,8}
<6> = {7,8,9}
<7> = {8,9,10}
<8> = {9,10,11}
Spectra Variation1.778
Myhill Propertyno


Modes are the rotational transformation of this scale. Scale 1999 can be rotated to make 8 other scales. The 1st mode is itself.

2nd mode:
Scale 3047
Scale 3047, Ian Ring Music Theory
3rd mode:
Scale 3571
Scale 3571, Ian Ring Music Theory
4th mode:
Scale 3833
Scale 3833, Ian Ring Music Theory
5th mode:
Scale 991
Scale 991, Ian Ring Music TheoryThis is the prime mode
6th mode:
Scale 2543
Scale 2543, Ian Ring Music Theory
7th mode:
Scale 3319
Scale 3319, Ian Ring Music Theory
8th mode:
Scale 3707
Scale 3707, Ian Ring Music Theory
9th mode:
Scale 3901
Scale 3901, Ian Ring Music Theory


The prime form of this scale is Scale 991

Scale 991Scale 991, Ian Ring Music Theory


The nonatonic modal family [1999, 3047, 3571, 3833, 991, 2543, 3319, 3707, 3901] is the negative of the tritonic modal family [67, 193, 2081]


The inverse of a scale is a reflection using the root as its axis. The inverse of 1999 is 3709

Scale 3709Scale 3709, Ian Ring Music Theory


Only scales that are chiral will have an enantiomorph. Scale 1999 is chiral, and its enantiomorph is scale 3709

Scale 3709Scale 3709, 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 1997Scale 1997: Raga Cintamani, Ian Ring Music TheoryRaga Cintamani
Scale 1995Scale 1995, Ian Ring Music Theory
Scale 1991Scale 1991, Ian Ring Music Theory
Scale 2007Scale 2007, Ian Ring Music Theory
Scale 2015Scale 2015: Messiaen mode 7, Ian Ring Music TheoryMessiaen mode 7
Scale 2031Scale 2031, Ian Ring Music Theory
Scale 1935Scale 1935, Ian Ring Music Theory
Scale 1967Scale 1967: Diatonic Dorian mixed, Ian Ring Music TheoryDiatonic Dorian mixed
Scale 1871Scale 1871, Ian Ring Music Theory
Scale 1743Scale 1743, Ian Ring Music Theory
Scale 1487Scale 1487, Ian Ring Music Theory
Scale 975Scale 975: Messiaen mode 4, Ian Ring Music TheoryMessiaen mode 4
Scale 3023Scale 3023, Ian Ring Music Theory
Scale 4047Scale 4047, 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