A# Locrian Guitar Scale

A# Locrian in Open D — Notes and Intervals

The A# Locrian scale is the seventh and most unstable mode of the major scale. On Guitar, the notes are A#, B, C#, D#, E, F#, G#. 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 A# Locrian are A#m7b5, BMaj7, C#m7, D#m7, EMaj7, F#7, G#m7. 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: A#, B, C#, D#, E, F#, G#

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

Tuning: Open D (D-A-F#-D-A-D)

Diatonic Chords

A♯m7♭5 — BMaj7 — C♯m7 — D♯m7 — EMaj7 — F♯7 — G♯m7

Explore This Scale in Other Tunings

• A# Locrian in Standard Tuning
• A# Locrian in Drop D
• A# Locrian in DADGAD
• A# Locrian in Open G
• A# Locrian in Baritone (B Standard)
• A# Locrian in 7-string
• A# Locrian in 8-string
• A# Locrian in Drop C
• A# Locrian in Drop B
• A# Locrian in Half Step Down
• A# Locrian in Open E
• A# Locrian in Open A
• A# Locrian in Double Drop D
• A# Locrian in Open C

← All Guitar scales in Open D tuning