A · Chord

A 7b9

A 7b9 · Displayed in: A · Dominant seventh with flat ninth · Tones: A, C#, E, G, Bb · Aliases: 7b9, Dom7b9

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A 7b9 · Displayed in: A · Dominant seventh with flat ninth · Tones: A, C#, E, G, Bb · Aliases: 7b9, Dom7b9

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Chord and Scale

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

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  1. Chord and Scale
  2. Tones: 5
  3. Relations

Example

A 7b9: A, C#, E, G, Bb

A 7b9 · Chord · A · 5 Tones

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

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

A 7b9 Public
Chord • 1,3,3,3,2 • 5 tones
Instrumented view Back
Chord and Scale
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Description / Aliases
Dominant seventh with flat ninth
Aliases
7b9 Dom7b9
Graphical Harmony
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Tones
Selected relation
Current
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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
Relations
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic Mixed
Set: 0, 1, 3, 6, 9 Vector: [1, 1, 4, 1, 1, 2] Score: -0.20 balanced

This set has 5 pitch classes, 3 close/tritone pressure points and 6 consonant-support intervals; average heuristic score: -0.20.

Interval Count Weight Contribution
m2 / M7 1 -5 -5
M2 / m7 1 -2 -2
m3 / M6 4 +2 +8
M3 / m6 1 +2 +2
P4 / P5 1 +3 +3
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, 9, G Bb, C#, E, 9 0.08 0.07 4.46
F# 7b9#9 Chord
Smooth pivot
 Bb, C#, E, 9, G Bb, C#, E, 9 0.08 0.07 4.46
A 13b9 Chord
Smooth pivot
 Bb, C#, E, 9, G Bb, C#, E, 9 0.08 0.07 4.46
A 7b9#9 Chord
Smooth pivot
 Bb, C#, E, 9, G Bb, C#, E, 9 0.08 0.07 4.46
A 7b9b13 Chord
Smooth pivot
 Bb, C#, E, 9, G Bb, C#, E, 9 0.08 0.07 4.46
C 7b9 Chord
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
C Yematibela Web Scale
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
Eb 7b9 Chord
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
Eb Yematibela Web Scale
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
F# 7b9 Chord
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
F# Yematibela Web Scale
Smooth pivot
 Bb, C#, E, G Bb, C#, E, G 0.20 0.00 4.37
A Maj7b9 Chord
Smooth pivot
 Bb, C#, 9, G Bb, C#, 9, G 0.20 0.00 4.37
Listening journal
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