Gb m7b5
Gb m7b5 · Displayed in: Gb · Half-diminished chord · Tones: Gb, Bbb, Dbb, Fb · Aliases: min7b5, Half-diminished, ø7
This set has 4 pitch classes, 1 close/tritone pressure points and 4 consonant-support intervals; average heuristic score: 0.50.
| Interval | Count | Weight | Contribution |
|---|---|---|---|
| m2 / M7 | 0 | -5 | 0 |
| M2 / m7 | 1 | -2 | -2 |
| m3 / M6 | 2 | +2 | +4 |
| M3 / m6 | 1 | +2 | +2 |
| P4 / P5 | 1 | +3 | +3 |
| Tritone | 1 | -4 | -4 |
| Target | Shared tones | Pivot | Voice-leading | Δ consonance | Bridge score |
|---|---|---|---|---|---|
|
D 9
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.20 | 0.10 | 4.23 |
|
D Pentatonic Dominant
Scale
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.20 | 0.10 | 4.23 |
|
Gb m11b5
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
A Kumoi Pentatonic
Scale
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
A m6/9
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
Cb 7sus4b9
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
Cb In-Sen
Scale
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
Cb sus4b9
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.30 | 4.00 |
|
A m13
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.40 | 3.87 |
|
Gb m9b5
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.50 | 3.73 |
|
Ab 7b9#5
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.50 | 3.73 |
|
A mMaj13
Chord
Smooth pivot
|
Gb, 4, Dbb, 9 | Gb, 4, Dbb, 9 | 0.10 | 0.50 | 3.73 |
Study this chord or scale
This page lets you analyse a musical structure from multiple perspectives. Listen to it, inspect its notes and intervals, compare related harmonies, explore compatible scales, and discover nearby harmonic ideas through interactive analysis.
Start with your ears
Press Play to hear the chord as a block, then Arpeggio to distinguish each individual note. Repeat the exercise before reading the interval names.
Analyse the structure
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Experiment
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Exercise
Choose one interval and predict how removing or altering it will change the chord. Verify your answer by listening to the original structure, then compare it with the suggested related chords and Bridge candidates.