Ab Altered Scale
4-string bass · Mode VII mel. · 7 notes · minor family
Notes
A♭
B♭♭
C♭
C
E♭♭
F♭
G♭
Solfège : La♭ – Si♭♭ – Do♭ – Do – Mi♭♭ – Fa♭ – Sol♭
Interval Structure
A♭
½T
B♭♭
T
C♭
½T
C
T
E♭♭
T
F♭
T
G♭
→
A♭+oct.
T
Scale Chords (triads)
| Degree | Chord (in Ab) | Quality |
|---|---|---|
| i° | A♭° | diminished |
| ii | B♭♭m | minor |
| iii | C♭m | minor |
| IV+ | C+ | augmented |
| V | E♭♭ | Major |
| VI | F♭ | Major |
| vii° | G♭° | 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, piano and arpeggios for Ab Altered in the interactive app.
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