G Locrian Ukulele Scale
Ukulele scale — fretboard diagram
G Locrian Scale — Notes and Intervals
The G Locrian scale is the seventh and most unstable mode of the major scale. On Ukulele, the notes are G, Ab, Bb, C, Db, Eb, F. It sounds highly dissonant and unresolved, as its home chord is a diminished triad. While rare as a primary key, it is a crucial technical tool for jazz musicians improvising over half-diminished chords in tension-heavy passages. The diatonic chords of G Locrian are Gm7b5, AbMaj7, Bbm7, Cm7, DbMaj7, Eb7, Fm7. Commonly used in Jazz, Metal, Experimental, Avant-Garde. Notable players include John Coltrane, Meshuggah, Dream Theater. Use over m7b5 (half-diminished) chords. Essential for jazz ii-V-i in minor keys where the ii chord is half-diminished.
Notes: G, Ab, Bb, C, Db, Eb, F
Intervals: 1P, 2m, 3m, 4P, 5d, 6m, 7m
Degrees: 1 b2 b3 4 5 b6 b7
Formula: H-W-W-H-W-W-W
Number of notes: 7
Diatonic Chords
Gm7♭5 — A♭Maj7 — B♭m7 — Cm7 — D♭Maj7 — E♭7 — Fm7
How to Play G Locrian on Ukulele
On ukulele, find G on the open strings or work through the scale within a four-fret span. You may need to shift positions once to cover all 7 notes. Practice each position separately before linking them together.
The G Locrian scale contains 4 flats (Ab, Bb, Db, Eb). Its relative major is Bb major, which shares the same key signature.
Practice Routine
Begin by playing the G Locrian scale ascending and descending at 80 BPM using a metronome, one note per beat. Once comfortable, practice in thirds (G-Bb, Ab-C) to build intervallic familiarity. Spend 5 minutes daily on this pattern before increasing tempo by 10 BPM.
Try these progressions with the G Locrian scale: Gm7b5 - Cm7 - DbMaj7 - Gm7b5 (I-IV-V-I) or Gm7b5 - AbMaj7 - Cm7 - DbMaj7 for a more stepwise movement.
Ukulele Tips
The compact fretboard of the ukulele makes the G Locrian scale easy to visualize in a single position. Use this to your advantage by memorizing the scale shape relative to chord shapes you already know.
The G Locrian scale contains 7 notes (G, Ab, Bb, C, Db, Eb, F). Use the interactive fretboard above to explore this scale on Ukulele with different tunings and fret ranges.
CAGED Positions & Patterns for G Locrian
The G Locrian scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 7-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.
Explore G Locrian Further
- Harmonize the G Locrian scale — triads & 7th chords
- Browse chord progressions
- G Locrian on Guitar
- G Locrian on Bass
- G Locrian on Piano