What you are learning
Gb 7alt5alt9 · Displayed in: Gb · Chord · Tones: Gb, Abb, A, Bb, D, Fb · Aliases: 7alt5alt9, 7alt(5,9), alt7(5,9)
Gb · Chord
Gb 7alt5alt9
Gb 7alt5alt9 · Displayed in: Gb · Chord · Tones: Gb, Abb, A, Bb, D, Fb · Aliases: 7alt5alt9, 7alt(5,9), alt7(5,9)
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Chord and Scale
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How to use this page
- Chord and Scale
- Tones: 7
- Relations
Example
Gb 7alt5alt9: Gb, Abb, A, Bb, D, Fb, Dbb
Gb 7alt5alt9 · Chord · Gb · 7 Tones
Network of this chord or scale with contain / contained-in relations.
Type key + scale (e.g. C Major, F Dorian)
Gb 7alt5alt9
Public
Chord
• 1,2,1,2,2,2,2 • 7 tones
Chord and Scale
Matches
Description / Aliases
No description.
Aliases
7alt5alt9
7alt(5,9)
alt7(5,9)
Generic fingering match
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Tones
Selected relation
Current
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Note: Gb
Interval: 1
Degree: 1
MIDI: 54
Hz: 622.25
Relations
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Note: Abb
Interval: b9
Degree: 6
MIDI: 67
Hz: 698.46
Relations
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Note: A
Interval: #9
Degree: 7
MIDI: 69
Hz: 698.46
Relations
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Note: Bb
Interval: 3
Degree: 2
MIDI: 58
Hz: 783.99
Relations
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Note: D
Interval: #5
Degree: 4
MIDI: 62
Hz: 466.16
Relations
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Note: Fb
Interval: b7
Degree: 5
MIDI: 64
Hz: 554.37
Relations
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Note: Dbb
Interval: b5
Degree: 3
MIDI: 60
Hz: 466.16
Relations
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic
Mixed
Set: 0, 1, 3, 4, 6, 8, 10
Vector: [2, 5, 4, 4, 4, 2]
Score: 0.00
open / fifth-supported
This set has 7 pitch classes, 4 close/tritone pressure points and 12 consonant-support intervals; average heuristic score: 0.00.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 2 | -5 | -10 |
| M2 / m7 | 5 | -2 | -10 |
| m3 / M6 | 4 | +2 | +8 |
| M3 / m6 | 4 | +2 | +8 |
| P4 / P5 | 4 | +3 | +12 |
| Tritone | 2 | -4 | -8 |
Consonance graph
Bridge candidates
2352 candidates
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
Gb Enigmatic
Scale
Smooth pivot
|
Gb, 2, Bb, Dbb, 7, 9 | Gb, 2, Bb, Dbb | 0.14 | 0.00 | 4.62 |
|
C Dorian ♯4
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
C Lydian Diminished
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
C Romanian Minor
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
D Harmonic Major
Scale
Smooth pivot
|
2, Bb, Dbb, 7, 9, Fb | 2, Bb, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
D Phrygian Dominant
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
Eb Hungarian Major
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
Eb Lydian ♯2
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
G Harmonic Minor
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
A Locrian ♮6
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
Bb Ionian ♯5
Scale
Smooth pivot
|
Gb, 2, Dbb, 7, 9, Fb | Gb, 2, Dbb, 7 | 0.14 | 0.05 | 4.55 |
|
E m11b5
Chord
Smooth pivot
|
2, Bb, Dbb, 7, 9, Fb | 2, Bb, Dbb, 7 | 0.14 | 0.07 | 4.53 |