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A 9b13 · Displayed in: A · Dominant ninth chord with flat thirteenth · Tones: A, C#, E, G, B, F · Aliases: 9b13, Dom9b13
A · Chord
A 9b13
A 9b13 · Displayed in: A · Dominant ninth chord with flat thirteenth · Tones: A, C#, E, G, B, F · Aliases: 9b13, Dom9b13
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Chord and Scale
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How to use this page
- Chord and Scale
- Tones: 6
- Relations
Example
A 9b13: A, C#, E, G, B, F
A 9b13 · 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 9b13
Public
Chord
• 1,2,2,2,2,3 • 6 tones
Chord and Scale
Matches
Description / Aliases
Dominant ninth chord with flat thirteenth
Aliases
9b13
Dom9b13
Generic fingering match
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Tones
Selected relation
Current
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Note: A
Interval: 1
Degree: 1
MIDI: 57
Hz: 698.46
Relations
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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: B
Interval: 9
Degree: 5
MIDI: 71
Hz: 783.99
Relations
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Note: F
Interval: b13
Degree: 6
MIDI: 77
Hz: 554.37
Relations
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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 |
|---|---|---|---|---|---|
|
C Neapolitan Major
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.06 | 4.57 |
|
G 9#11
Chord
Smooth pivot
|
1, 5, E, 9, 11 | 1, 5, E, 9 | 0.17 | 0.00 | 4.51 |
|
A 9#11
Chord
Smooth pivot
|
1, C#, E, 9, 11 | 1, C#, E, 9 | 0.17 | 0.00 | 4.51 |
|
C# 7#9#11
Chord
Smooth pivot
|
1, C#, 5, E, 11 | 1, C#, 5, E | 0.17 | 0.07 | 4.42 |
|
A 7b9b13
Chord
Smooth pivot
|
1, C#, 5, E, 9 | 1, C#, 5, E | 0.17 | 0.07 | 4.42 |
|
C# 7alt5alt9
Chord
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
C# Altered Scale
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
C# Super Locrian Diminished
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
D Melodic Minor
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
D mMaj13
Chord
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
E Dorian ♭2
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |
|
F Lydian Augmented
Scale
Smooth pivot
|
1, C#, 5, E, 9, 11 | 1, C#, 5, E | 0.07 | 0.20 | 4.38 |