A♭ Locrian Scale (Ab)
The Ab Locrian scale contains Ab – Bbb – Cb – Db – Ebb – Fb – Gb. It uses 9 flats: Bbb, Ebb, Ab, Db, Gb, Cb and Fb. It uses the same piano keys as G# Locrian, spelled G# – A – B – C# – D – E – F# (3 sharps).
Ab Locrian scale chart
Sharps and flats
Ab Locrian has 9 flats: Bbb, Ebb, Ab, Db, Gb, Cb and Fb. Its parent major scale is Bbb major (the same keys as A major), which uses the same notes. See the chords in the key of A major.
Scale degrees
| Degree | Note | Semitones from Ab |
|---|---|---|
| 1 | Ab | 0 |
| b2 | Bbb | 1 |
| b3 | Cb | 3 |
| 4 | Db | 5 |
| b5 | Ebb | 6 |
| b6 | Fb | 8 |
| b7 | Gb | 10 |
Step pattern
The Locrian scale is built from the pattern H – W – W – H – W – W – W (W = whole step, H = half step). Apply that pattern from any starting note and you get the same mode in a different key.
Chords in Ab Locrian
Building a triad on each degree of the scale gives you the chords that belong to it. These are the chords to reach for when writing in Ab Locrian.
| Degree | Numeral | Chord | Notes |
|---|---|---|---|
| 1 | i° | Abdim | Ab Cb Ebb |
| 2 | II | Bbb | Bbb Db Fb |
| 3 | iii | Cbm | Cb Ebb Gb |
| 4 | iv | Dbm | Db Fb Ab |
| 5 | V | Ebb | Ebb Gb Bbb |
| 6 | VI | Fb | Fb Ab Cb |
| 7 | vii | Gbm | Gb Bbb Db |
Other modes on Ab
More scales on Ab
Locrian scale in other keys
Frequently asked questions
What notes are in the Ab Locrian scale?
The Ab Locrian scale contains Ab, Bbb, Cb, Db, Ebb, Fb, Gb, then returns to Ab an octave higher.
How many flats are in Ab Locrian?
Ab Locrian has 9 flats: Bbb, Ebb, Ab, Db, Gb, Cb and Fb.
What is the step pattern of the Locrian scale?
The Locrian scale follows the whole/half step pattern H – W – W – H – W – W – W, where W is a whole step (two semitones) and H is a half step (one semitone).
Which chords work with the Ab Locrian scale?
The diatonic chords are Abdim, Bbb, Cbm, Dbm, Ebb, Fb, Gbm. Each is built only from notes of the Ab Locrian scale, so they all belong to the same tonality — though the diminished chord carries a tritone and normally wants to resolve.