G Locrian scale

The G Locrian scale is a 7-note locrian scale built on the root G. Its notes are G, A♭, B♭, C, C♯, E♭ and F. The unstable seventh mode — diminished tonic and a flat fifth, rarely used as tonal centre. This page covers the formula, fingerings, diatonic chords and common progressions that make G Locrian a powerful tool for improvising and composing.

Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz. Built on the root G, the scale takes on the specific colour and pitch range of that key — making it especially useful in genres and registers where G is a comfortable tonal centre.

Formula & step pattern

Formula
1P · 2m · 3m · 4P · 5d · 6m · 7m
Step pattern
H - W - W - H - W - W - W

The G Locrian scale follows a minor scale with a flat second and a flat fifth (H-W-W-H-W-W-W). Step pattern: H - W - W - H - W - W - W. Intervals from the root: 1P · 2m · 3m · 4P · 5d · 6m · 7m. Memorising the formula lets you transpose the scale to any other root note quickly.

G Locrian on the piano

Piano keyboard highlighting the G Locrian scale notesCFGCFGC♯E♭A♭B♭C♯E♭A♭B♭G LocrianG · A♭ · B♭ · C · C♯ · E♭ · F

G Locrian on the guitar

Guitar fretboard highlighting the G Locrian scale notesEBGDAEFGA♭B♭CC♯E♭CC♯E♭FGA♭B♭GA♭B♭CC♯E♭FGE♭FGA♭B♭CC♯B♭CC♯E♭FGA♭FGA♭B♭CC♯E♭G Locrianfr 0–12

G Locrian on the staff

Hear the G Locrian scale

G Locrian
G · A♭ · B♭ · C · C♯ · E♭ · F
GA♭B♭CC♯E♭F

Notes of the G Locrian scale

Notes: G · A♭ · B♭ · C · C♯ · E♭ · FStep pattern: H - W - W - H - W - W - W
DegreeIntervalSemitonesNote
11P0G
22m1A♭(Ab)
33m3B♭(Bb)
44P5C
55d6C♯(C#)
66m8E♭(Eb)
77m10F

Diatonic chords of G Locrian

These are the chords that naturally form on each degree of the scale. Click a chord to open its dedicated page.

How to use the G Locrian scale

The diatonic chords of G Locrian are: i° = G°, II = A♭, iii = B♭m, iv = Cm, V = C♯, VI = E♭, vii = Fm. These seven chords belong naturally to the key and are the safest harmonic vocabulary when writing songs in G Locrian. Click any chord below to open its full diagram and progressions.

Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz.

Practice tips

Locrian is best learned as a theoretical exercise: spell each diatonic chord and notice why the diminished tonic makes it unstable.

Famous songs in this key

G Locrian appears throughout locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz. Listening to music in this scale and transcribing short phrases is the fastest way to absorb its sound.

Once you are comfortable with G Locrian, explore related scales to expand your vocabulary. The scales below share notes, modes or tonal centres with G Locrian and are a natural next step in your study.

Frequently asked questions

What notes are in the G Locrian scale?
The G Locrian scale contains G, A♭, B♭, C, C♯, E♭ and F.
What is the formula for the G Locrian scale?
G Locrian follows a minor scale with a flat second and a flat fifth (H-W-W-H-W-W-W).
Is G Locrian a major or minor scale?
G Locrian is a locrian scale. The unstable seventh mode — diminished tonic and a flat fifth, rarely used as tonal centre.
What chords belong to the G Locrian scale?
The diatonic chords of G Locrian are G°, A♭, B♭m, Cm, C♯, E♭, Fm.
Which genres use G Locrian?
Locrian is rare as a tonal centre because of its diminished tonic, but it is essential for understanding modal theory and shows up in metal and avant-garde jazz.
How do I practise the G Locrian scale?
Locrian is best learned as a theoretical exercise: spell each diatonic chord and notice why the diminished tonic makes it unstable.

Take G Locrian into your music

Build progressions, find chord voicings and improvise with confidence using our music tools.