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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.
How it is built
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
| String | Frets | Notes |
|---|---|---|
| 6 (E) | 1, 3, 4 | F, G, A♭ |
| 5 (A) | 1, 3, 4 | B♭, C, D♭ |
| 4 (D) | 1, 3 | E♭, F |
| 3 (G) | 1, 3 | A♭, B♭ |
| 2 (B) | 1, 2, 4 | C, D♭, E♭ |
| 1 (e) | 1, 3, 4 | F, G, A♭ |
Box 2 · frets 3–6
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
| String | Frets | Notes |
|---|---|---|
| 6 (E) | 3, 4, 6 | G, A♭, B♭ |
| 5 (A) | 3, 4, 6 | C, D♭, E♭ |
| 4 (D) | 3, 5, 6 | F, G, A♭ |
| 3 (G) | 3, 5, 6 | B♭, C, D♭ |
| 2 (B) | 4, 6 | E♭, F |
| 1 (e) | 3, 4, 6 | G, A♭, B♭ |
Box 3 · frets 6–9
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
| String | Frets | Notes |
|---|---|---|
| 6 (E) | 6, 8, 9 | B♭, C, D♭ |
| 5 (A) | 6, 8 | E♭, F |
| 4 (D) | 6, 8 | A♭, B♭ |
| 3 (G) | 6, 8 | D♭, E♭ |
| 2 (B) | 6, 8, 9 | F, G, A♭ |
| 1 (e) | 6, 8, 9 | B♭, C, D♭ |
Box 4 · frets 8–11
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
| String | Frets | Notes |
|---|---|---|
| 6 (E) | 8, 9, 11 | C, D♭, E♭ |
| 5 (A) | 8, 10, 11 | F, G, A♭ |
| 4 (D) | 8, 10, 11 | B♭, C, D♭ |
| 3 (G) | 8, 10 | E♭, F |
| 2 (B) | 8, 9, 11 | G, A♭, B♭ |
| 1 (e) | 8, 9, 11 | C, D♭, E♭ |
Box 5 · frets 11–14
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
| String | Frets | Notes |
|---|---|---|
| 6 (E) | 11, 13 | E♭, F |
| 5 (A) | 11, 13 | A♭, B♭ |
| 4 (D) | 11, 13 | D♭, E♭ |
| 3 (G) | 12, 13 | G, A♭ |
| 2 (B) | 11, 13, 14 | B♭, C, D♭ |
| 1 (e) | 11, 13 | E♭, 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.