SCALE REFERENCE

A Locrian

A – B♭ – C – D – E♭ – F – G1 b2 b3 4 b5 b6 b7

The 7th mode of the major scale — a diminished tonic and a flat 2nd and 5th. Rare as a key centre, common over m7b5 chords.

Notes & degrees
A1B♭b2Cb3D4E♭b5Fb6Gb7
NotesA, Bb, C, D, Eb, F, G
StepsH – W – W – H – W – W – W (W = whole, H = half)
Piano
ACDFGB♭E♭
Guitar & ukulele — every position (frets 0–12)
357912eFGAB♭CDE♭BCDE♭FGAB♭GGAB♭CDE♭FGDDE♭FGAB♭CDAAB♭CDE♭FGAEFGAB♭CDE♭

Root notes are red. The full map of the scale on the guitar neck; the common box patterns are groups of these notes.

357912AAB♭CDE♭FGAEFGAB♭CDE♭CCDE♭FGAB♭CGGAB♭CDE♭FG

The same scale on a ukulele in standard G–C–E–A tuning.

Chords in the key
DegreeTriad7th chord
i°AdimAm7♭5
♭IIB♭B♭maj7
♭iiiCmCm7
ivDmDm7
♭VE♭E♭maj7
♭VIFF7
♭viiGmGm7

These are the chords built by stacking scale notes in thirds. Click through for each chord's own diagrams:

i°Adim♭IIB♭♭iiiCmivDm♭VE♭♭VIF♭viiGm
Other scales on A

Core scales & modes

A MajorA Natural MinorA Harmonic MinorA Melodic MinorA DorianA PhrygianA LydianA Mixolydian

Pentatonic & blues

A Major PentatonicA Minor PentatonicA BluesA Major Blues

Jazz & altered

A Harmonic MajorA Phrygian DominantA Lydian DominantA AlteredA Bebop Dominant

Symmetric

A Whole ToneA Diminished (Whole–Half)A Diminished (Half–Whole)A Augmented Scale

World & exotic

A Hungarian MinorA Double Harmonic MajorA Neapolitan Minor
Locrian on another root
CC♯DD♯EFF♯GG♯AB♭A♯B
Keep exploring

See the diatonic chords with audio in the Scale & Chord Finder, find where a key sits among the others on the Circle of Fifths, or start the free Cloud Atelier music guides.