A 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)

DegreeChord (in A)Quality
diminished
ii B♭m minor
iii Cm minor
IV+ C♯+ augmented
V E♭ Major
VI F Major
vii° 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 A Altered in the interactive app.

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Same scale in other keys