Gb Altered Scale
4-string bass · Mode VII mel. · 7 notes · minor family
Notes
G♭
A♭♭
B♭♭
B♭
D♭♭
E♭♭
F♭
Solfège : Sol♭ – La♭♭ – Si♭♭ – Si♭ – Ré♭♭ – Mi♭♭ – Fa♭
Interval Structure
G♭
½T
A♭♭
T
B♭♭
½T
B♭
T
D♭♭
T
E♭♭
T
F♭
→
G♭+oct.
T
Scale Chords (triads)
| Degree | Chord (in Gb) | Quality |
|---|---|---|
| i° | G♭° | diminished |
| ii | A♭♭m | minor |
| iii | B♭♭m | minor |
| IV+ | B♭+ | augmented |
| V | D♭♭ | Major |
| VI | E♭♭ | Major |
| vii° | F♭° | diminished |
About this scale
The altered scale (mode VII of the melodic minor, or superlocrian) contains all altered tensions: b9, #9, b5, #5. It is the ultimate scale for V7alt→I resolutions in jazz. Bassists use it to create maximum tension before the resolution.
See fretboard positions for Gb Altered in the interactive app.
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