Gb · Chord

Gb 7#9

Gb 7#9 · Displayed in: Gb · Dominant seventh with sharp ninth · Tones: Gb, Bb, Db, Fb, A · Aliases: 7#9, Hendrix 7#9

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Gb 7#9 · Displayed in: Gb · Dominant seventh with sharp ninth · Tones: Gb, Bb, Db, Fb, A · Aliases: 7#9, Hendrix 7#9

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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

Gb 7#9: Gb, Bb, Db, Fb, A

Gb 7#9 · Chord · Gb · 5 Tones

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

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

Gb 7#9 Public
Chord • 1,3,3,2,3 • 5 tones
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Chord and Scale
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Description / Aliases
Dominant seventh with sharp ninth
Aliases
7#9 Hendrix 7#9
Graphical Harmony
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Tones
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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: Db Interval: 5 Degree: 3 MIDI: 61 Hz: 466.16
Relations
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Note: Fb Interval: b7 Degree: 4 MIDI: 64 Hz: 554.37
Relations
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Note: A Interval: #9 Degree: 5 MIDI: 69 Hz: 698.46
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Network of this chord or scale with contain / contained-in relations.
Consonance heuristic Mildly consonant
Set: 0, 1, 4, 6, 9 Vector: [1, 1, 3, 2, 2, 1] Score: 0.50 open / fifth-supported

This set has 5 pitch classes, 2 close/tritone pressure points and 7 consonant-support intervals; average heuristic score: 0.50.

Interval Count Weight Contribution
m2 / M7 1 -5 -5
M2 / m7 1 -2 -2
m3 / M6 3 +2 +6
M3 / m6 2 +2 +4
P4 / P5 2 +3 +6
Tritone 1 -4 -4
Consonance graph
Bridge candidates 2363 candidates
Target Shared tones Pivot Voice-leading Δ consonance Bridge score
Gb 7 Chord
Smooth pivot
 1, Bb, 6, Fb 1, Bb, 6, Fb 0.10 0.00 4.41
Gb 7#9b13 Chord
Smooth pivot
 1, Bb, 6, 9, Fb 1, Bb, 6, 9 0.08 0.17 4.32
Gb 9 Chord
Smooth pivot
 1, Bb, 6, Fb 1, Bb, 6, Fb 0.20 0.10 4.23
Gb Pentatonic Dominant Scale
Smooth pivot
 1, Bb, 6, Fb 1, Bb, 6, Fb 0.20 0.10 4.23
D Maj9 Chord
Smooth pivot
 1, Bb, 6, 9 1, Bb, 6, 9 0.20 0.30 3.96
E Tizita Dorian b2 Scale
Smooth pivot
 1, Bb, 9, Fb 1, Bb, 9, Fb 0.20 0.30 3.96
Gb m9 Chord
Smooth pivot
 1, Bb, 6, 9 1, Bb, 6, 9 0.20 0.30 3.96
Gb Maj7#9 Chord
Smooth pivot
 1, 6, 9, Fb 1, 6, 9, Fb 0.20 0.30 3.96
A Maj7add13 Chord
Smooth pivot
 1, Bb, 6, 9 1, Bb, 6, 9 0.20 0.30 3.96
D Maj7b13 Chord
Smooth pivot
 1, 6, 9, Fb 1, 6, 9, Fb 0.30 0.30 3.92
D Quintal Scale
Smooth pivot
 Bb, 6, 9, Fb Bb, 6, 9, Fb 0.20 0.40 3.83
Eb m7b9 Chord
Smooth pivot
 1, Bb, 6, Fb 1, Bb, 6, Fb 0.20 0.40 3.83
Listening journal
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