G locrian scale on guitar

G locrian contains G, A♭, B♭, C, D♭, E♭, and F. Box 1 spans frets 1–4 with roots on string 6 fret 3, string 4 fret 5, and string 1 fret 3.

FGA♭B♭CD♭E♭FA♭B♭CD♭E♭FGA♭EADGBE1234
Positions on the neck1 of 5
Practice G locrian scale

How it is built

G1A♭♭2B♭♭3C4D♭♭5E♭♭6F♭7

Formula 1, ♭2, ♭3, 4, ♭5, ♭6, ♭7

How do you play the G locrian scale on guitar?

G locrian in box 1 runs from fret 1 to fret 4, 16 notes across 6 strings, from F on the low E string at fret 1 up to A♭ on the high e string at fret 4. The root falls on the low E string at fret 3 and the high e string at fret 3.

Every note in this box, string by string
StringFretsNotes
6 (E)1, 3, 4F, G, A♭
5 (A)1, 3, 4B♭, C, D♭
4 (D)1, 3E♭, F
3 (G)1, 3A♭, B♭
2 (B)1, 2, 4C, D♭, E♭
1 (e)1, 3, 4F, G, A♭

Box 2 · frets 36

G locrian in box 2 runs from fret 3 to fret 6, 17 notes across 6 strings, from G on the low E string at fret 3 up to B♭ on the high e string at fret 6. The root falls on the low E string at fret 3, the D string at fret 5 and the high e string at fret 3.

Every note in this box, string by string
StringFretsNotes
6 (E)3, 4, 6G, A♭, B♭
5 (A)3, 4, 6C, D♭, E♭
4 (D)3, 5, 6F, G, A♭
3 (G)3, 5, 6B♭, C, D♭
2 (B)4, 6E♭, F
1 (e)3, 4, 6G, A♭, B♭

Box 3 · frets 69

G locrian in box 3 runs from fret 6 to fret 9, 15 notes across 6 strings, from B♭ on the low E string at fret 6 up to D♭ on the high e string at fret 9. The root falls on the B string at fret 8.

Every note in this box, string by string
StringFretsNotes
6 (E)6, 8, 9B♭, C, D♭
5 (A)6, 8E♭, F
4 (D)6, 8A♭, B♭
3 (G)6, 8D♭, E♭
2 (B)6, 8, 9F, G, A♭
1 (e)6, 8, 9B♭, C, D♭

Box 4 · frets 811

G locrian in box 4 runs from fret 8 to fret 11, 17 notes across 6 strings, from C on the low E string at fret 8 up to E♭ on the high e string at fret 11. The root falls on the A string at fret 10 and the B string at fret 8.

Every note in this box, string by string
StringFretsNotes
6 (E)8, 9, 11C, D♭, E♭
5 (A)8, 10, 11F, G, A♭
4 (D)8, 10, 11B♭, C, D♭
3 (G)8, 10E♭, F
2 (B)8, 9, 11G, A♭, B♭
1 (e)8, 9, 11C, D♭, E♭

Box 5 · frets 1114

G locrian in box 5 runs from fret 11 to fret 14, 13 notes across 6 strings, from E♭ on the low E string at fret 11 up to F on the high e string at fret 13. The root falls on the G string at fret 12.

Every note in this box, string by string
StringFretsNotes
6 (E)11, 13E♭, F
5 (A)11, 13A♭, B♭
4 (D)11, 13D♭, E♭
3 (G)12, 13G, A♭
2 (B)11, 13, 14B♭, C, D♭
1 (e)11, 13E♭, F

Why it sounds like that

G locrian is the seventh mode of A♭ major, built as 1, ♭2, ♭3, 4, ♭5, ♭6, ♭7. Its half-step pattern is H, W, W, H, W, W, W. Lower the fifth of G phrygian to get the ♭5. The tonic chord is G minor 7th flat 5th.

When to use it

G locrian fits G minor 7th flat 5th and G diminished chords. Use it over half-diminished progressions in jazz, metal riffs, and dark ambient lines. Pair with G minor 7th flat 5th or G diminished.

Which position to practise

Practise Box 1 first. It places the root on string 6 fret 3 and covers frets 1–4, setting up Box 2.

Common questions

What notes are in G locrian?

G locrian contains G, A♭, B♭, C, D♭, E♭, and F. The intervals are 1, ♭2, ♭3, 4, ♭5, ♭6, ♭7. Its half-step pattern is H, W, W, H, W, W, W.

What chords does G locrian fit?

G locrian fits G minor 7th flat 5th and G diminished chords. The tonic chord is G minor 7th flat 5th. Use it over half-diminished progressions.

How does G locrian differ from G phrygian?

G locrian lowers the fifth of G phrygian from D to D♭. This creates the ♭5 interval that defines the locrian sound. The rest of the notes are identical.