A · Chord

A 13b9

A 13b9 · Displayed in: A · Thirteenth chord with flat ninth · Tones: A, C#, E, G, Bb, F# · Aliases: 13b9

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A 13b9 · Displayed in: A · Thirteenth chord with flat ninth · Tones: A, C#, E, G, Bb, F# · Aliases: 13b9

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

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

Example

A 13b9: A, C#, E, G, Bb, F#

A 13b9 · Chord · A · 6 Tones

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

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

A 13b9 Public
Chord • 1,2,1,3,3,2 • 6 tones
Instrumented view Back
Chord and Scale
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Description / Aliases
Thirteenth chord with flat ninth
Aliases
13b9
Graphical Harmony
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Tones
Selected relation
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Note: A Interval: 1 Degree: 1 MIDI: 57 Hz: 698.46
Relations
Loading related chords and scales...

Note: C# Interval: 3 Degree: 2 MIDI: 61 Hz: 415.31
Relations
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Note: E Interval: 5 Degree: 3 MIDI: 64 Hz: 523.25
Relations
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Note: G Interval: b7 Degree: 4 MIDI: 67 Hz: 622.25
Relations
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Note: Bb Interval: b9 Degree: 5 MIDI: 70 Hz: 783.99
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Note: F# Interval: 13 Degree: 6 MIDI: 78 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, 4, 6, 9 Vector: [2, 2, 5, 2, 2, 2] Score: -0.13 balanced

This set has 6 pitch classes, 4 close/tritone pressure points and 9 consonant-support intervals; average heuristic score: -0.13.

Interval Count Weight Contribution
m2 / M7 2 -5 -10
M2 / m7 2 -2 -4
m3 / M6 5 +2 +10
M3 / m6 2 +2 +4
P4 / P5 2 +3 +6
Tritone 2 -4 -8
Consonance graph
Bridge candidates 2362 candidates
Target Shared tones Pivot Voice-leading Δ consonance Bridge score
C 13b9 Chord
Smooth pivot
 Bb, C#, E, F#, G Bb, C#, E, F# 0.17 0.00 4.51
Eb 7#9#11 Chord
Smooth pivot
 Bb, 6, E, F#, G Bb, 6, E, F# 0.17 0.00 4.51
Eb 7b9#9 Chord
Smooth pivot
 Bb, C#, 6, E, G Bb, C#, 6, E 0.17 0.00 4.51
F# 13b9 Chord
Smooth pivot
 Bb, C#, 6, E, G Bb, C#, 6, E 0.17 0.00 4.51
F# 7#9#11 Chord
Smooth pivot
 Bb, C#, 6, F#, G Bb, C#, 6, F# 0.17 0.00 4.51
F# 7b9b13 Chord
Smooth pivot
 Bb, C#, 6, E, G Bb, C#, 6, E 0.17 0.00 4.51
A 7b9#9 Chord
Smooth pivot
 Bb, C#, E, F#, G Bb, C#, E, F# 0.17 0.00 4.51
A 7b9b13 Chord
Smooth pivot
 Bb, C#, E, F#, G Bb, C#, E, F# 0.17 0.00 4.51
F# 7b9 Chord
Smooth pivot
 Bb, C#, 6, E, G Bb, C#, 6, E 0.08 0.07 4.46
F# Yematibela Web Scale
Smooth pivot
 Bb, C#, 6, E, G Bb, C#, 6, E 0.08 0.07 4.46
A 7b9 Chord
Smooth pivot
 Bb, C#, E, F#, G Bb, C#, E, F# 0.08 0.07 4.46
A Yematibela Web Scale
Smooth pivot
 Bb, C#, E, F#, G Bb, C#, E, F# 0.08 0.07 4.46
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