Guitar scale
A Locrian Guitar Scale
A Locrian is a seven-note scale built from A, Bb, C, D, Eb, F, and G. It is the 7th relative mode of Bb major. Use it to study the scale's notes, interval formula, and guitar fretboard positions.
- Notes
- ABbCDEbFG
- Formula
- 1 b2 b3 4 b5 b6 b7
- Semitones
- 0 1 3 5 6 8 10
- Parent scale
- Bb major
How to read this scale
The notes are shown as pitch classes first. Square markers represent A root notes in the fretboard view, while circular markers represent the other notes in the scale.
Use the interactive fretboard to locate the A root notes and connect the remaining locrian tones across standard tuning.
Fretboard diagram
Open this scale in the fretboard tool
Start with A Locrian loaded, then adjust tuning, labels, colors, fret count, and orientation.
Open in interactive fretboardCommon chords and contexts
- Use A Locrian over Am7b5 or half-diminished chords.
- Its flat 2 and flat 5 make it tense, unstable, and most common in jazz or minor ii-V contexts.