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Gb 7b5 · Displayed in: Gb · Dominant seventh with flat fifth · Tones: Gb, Bb, Dbb, Fb · Aliases: 7b5
Gb · Chord
Gb 7b5
Gb 7b5 · Displayed in: Gb · Dominant seventh with flat fifth · Tones: Gb, Bb, Dbb, Fb · Aliases: 7b5
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Chord and Scale
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How to use this page
- Chord and Scale
- Tones: 4
- Relations
Example
Gb 7b5: Gb, Bb, Dbb, Fb
Gb 7b5 · Chord · Gb · 4 Tones
Network of this chord or scale with contain / contained-in relations.
Type key + scale (e.g. C Major, F Dorian)
Gb 7b5
Public
Chord
• 2,4,2,4 • 4 tones
Chord and Scale
Matches
Description / Aliases
Dominant seventh with flat fifth
Aliases
7b5
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: Bb
Interval: 3
Degree: 2
MIDI: 58
Hz: 783.99
Relations
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Note: Dbb
Interval: b5
Degree: 3
MIDI: 60
Hz: 466.16
Relations
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Note: Fb
Interval: b7
Degree: 4
MIDI: 64
Hz: 554.37
Relations
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic
Tense
Set: 0, 2, 6, 8
Vector: [0, 2, 0, 2, 0, 2]
Score: -1.33
balanced
This set has 4 pitch classes, 2 close/tritone pressure points and 2 consonant-support intervals; average heuristic score: -1.33.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 0 | -5 | 0 |
| M2 / m7 | 2 | -2 | -4 |
| m3 / M6 | 0 | +2 | 0 |
| M3 / m6 | 2 | +2 | +4 |
| P4 / P5 | 0 | +3 | 0 |
| Tritone | 2 | -4 | -8 |
Consonance graph
Bridge candidates
2362 candidates
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
C 9b5
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.20 | 0.53 | 3.65 |
|
C Majb5
Chord
Smooth pivot
|
Gb, Bb, Dbb | Gb, Bb, Dbb | 0.25 | 0.00 | 3.65 |
|
Gb 9b5
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.20 | 0.53 | 3.65 |
|
Gb Majb5
Chord
Smooth pivot
|
Gb, Dbb, Fb | Gb, Dbb, Fb | 0.25 | 0.00 | 3.65 |
|
C 7#11
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
C 7#9b5
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
C 7b5b9
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
Gb 7#11
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
Gb 7#9b5
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
Gb 7b5b9
Chord
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.10 | 0.73 | 3.42 |
|
C Whole Tone
Scale
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.33 | 0.53 | 3.06 |
|
D Whole Tone
Scale
Smooth pivot
|
Gb, Bb, Dbb, Fb | Gb, Bb, Dbb, Fb | 0.33 | 0.53 | 3.06 |