G# Locrian

A minor diatonic mode with a minor 2nd and diminished 5th above the tonic; its tonic triad is unstable.

Octaves

Musical context

How the mode relates to the scale, chord, key and progression.

Theory

General info

Name
G# Locrian
Family
Diatonic modes
Note count
7
Step formula
H – W – W – H – W – W – W

Notes & degrees

1G#root
b2Aminor 2nd
b3Bminor 3rd
4C#perfect 4th
b5Ddim 5th
b6Eminor 6th
b7F#minor 7th

Characteristic degrees

IIAlowered 2nd degree
VDlowered 5th degree

Construction

Overview
A minor diatonic mode with a minor 2nd and diminished 5th above the tonic; its tonic triad is unstable.
Application in music
Pairs with m7b5 chords. Its diminished tonic triad makes the tonal centre difficult to establish.
Interval formula
G#
H
A
W
B
W
C#
H
D
W
E
W
F#
Reference mode
G# Aeolian

G# Aeolian

IG#
IIA#
IIIB
IVC#
VD#
VIE
VIIF#

G# Locrian

IG#
IIA
IIIB
IVC#
VD
VIE
VIIF#

How the mode is built

Position in the system
Degree 7 of the parent major scale

Sibling modes

Chords by degree

Tensions & resolutions

Stable degrees

IG#nominal centretonic
IIIBdefines modal qualitythird

Typical resolutions & tensions

IIIBB
IVC#C#
In a dominant context, scale degree 4 normally descends by step to 3.
IG#G#
IIAA
Scale degree 2 may descend to tonic; the motion is especially close when degree 2 is lowered.

This mode on guitar 🎸

See how G# Locrian looks on guitar.

Explore

Circle of fifths

The major key on the same tonic and its neighbouring keys on the circle of fifths.

CAmGEmDBmAF#mEC#mBG#mF#D#mDbBbmAbFmEbCmBbGmFDmAbmajor
Relative key
Dominant
Subdominant
Key signature
4 flats (Bb, Eb, Ab, Db)

Connections

Practice

Keyboard Trainer

Reinforce it in practice — play and name notes on the interactive keyboard.

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Frequently Asked Questions