Ab · Chord

Ab 9b13

Ab 9b13 · Displayed in: Ab · Dominant ninth chord with flat thirteenth · Tones: Ab, C, Eb, Gb, Bb, Fb · Aliases: 9b13, Dom9b13

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Ab 9b13 · Displayed in: Ab · Dominant ninth chord with flat thirteenth · Tones: Ab, C, Eb, Gb, Bb, Fb · Aliases: 9b13, Dom9b13

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  1. Chord and Scale
  2. Tones: 6
  3. Relations

Example

Ab 9b13: Ab, C, Eb, Gb, Bb, Fb

Ab 9b13 · Chord · Ab · 6 Tones

Network of this chord or scale with contain / contained-in relations.

Type key + scale (e.g. C Major, F Dorian)

Ab 9b13 Public
Chord • 1,2,2,2,2,3 • 6 tones
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Chord and Scale
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Description / Aliases
Dominant ninth chord with flat thirteenth
Aliases
9b13 Dom9b13
Graphical Harmony
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Tones
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Note: Ab Interval: 1 Degree: 1 MIDI: 56 Hz: 698.46
Relations
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Note: C Interval: 3 Degree: 2 MIDI: 60 Hz: 415.31
Relations
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Note: Eb Interval: 5 Degree: 3 MIDI: 63 Hz: 523.25
Relations
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Note: Gb Interval: b7 Degree: 4 MIDI: 66 Hz: 622.25
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Note: Bb Interval: 9 Degree: 5 MIDI: 70 Hz: 783.99
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Note: Fb Interval: b13 Degree: 6 MIDI: 76 Hz: 554.37
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic Mixed
Set: 0, 1, 3, 5, 7, 9 Vector: [1, 4, 2, 4, 2, 2] Score: -0.20 balanced

This set has 6 pitch classes, 3 close/tritone pressure points and 8 consonant-support intervals; average heuristic score: -0.20.

Interval Count Weight Contribution
m2 / M7 1 -5 -5
M2 / m7 4 -2 -8
m3 / M6 2 +2 +4
M3 / m6 4 +2 +8
P4 / P5 2 +3 +6
Tritone 2 -4 -8
Consonance graph
Bridge candidates 2360 candidates
Target Shared tones Pivot Voice-leading Δ consonance Bridge score
Cb Neapolitan Major Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.06 4.57
Gb 9#11 Chord
Smooth pivot
 Ab, C, 6, Fb, Gb Ab, C, 6, Fb 0.17 0.00 4.51
Ab 9#11 Chord
Smooth pivot
 Ab, 3, 6, Fb, Gb Ab, 3, 6, Fb 0.17 0.00 4.51
C 7#9#11 Chord
Smooth pivot
 Ab, 3, C, 6, Gb Ab, 3, C, 6 0.17 0.07 4.42
Ab 7b9b13 Chord
Smooth pivot
 Ab, 3, C, 6, Fb Ab, 3, C, 6 0.17 0.07 4.42
C 7alt5alt9 Chord
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
C Altered Scale Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
C Super Locrian Diminished Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
Db Melodic Minor Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
Db mMaj13 Chord
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
Eb Dorian ♭2 Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
E Lydian Augmented Scale
Smooth pivot
 Ab, 3, C, 6, Fb, Gb Ab, 3, C, 6 0.07 0.20 4.38
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