A Locrian #2 Piano Scale
Piano scale diagramAdvanced
A Locrian #2 Scale — Notes and Intervals
The A Locrian #2 scale is a more usable and consonant version of the standard Locrian mode. On Piano, it contains the notes A, B, C, D, Eb, F, G. It is the preferred choice for jazz musicians soloing over half-diminished chords, as its natural second degree allows for much smoother and more melodic voice leading. Commonly used in Jazz, Post-Bop, Contemporary. Notable players include John Coltrane, Woody Shaw, Steve Coleman. Use over m7b5 chords. The preferred jazz choice over half-diminished chords (vs standard Locrian which sounds too harsh).
Notes: A, B, C, D, Eb, F, G
Intervals: 1P, 2M, 3m, 4P, 5d, 6m, 7m
Degrees: 1 2 b3 4 5 b6 b7
Formula: W-H-W-H-W-W-W
Number of notes: 7
Also known as: half-diminished, aeolian b5
Musical Character
The natural 2nd degree (vs b2 in standard Locrian) makes this vastly more usable — smoother voice leading while retaining the essential b5 for half-diminished harmony.
Genres & Notable Artists
Genres: Jazz, Post-Bop, Contemporary
Notable players: John Coltrane, Woody Shaw, Steve Coleman
How to Use the A Locrian #2 Scale
Use over m7b5 chords. The preferred jazz choice over half-diminished chords (vs standard Locrian which sounds too harsh).
Origin & Background
The sixth mode of the melodic minor scale. Jazz musicians prefer it over standard Locrian for its smoother sound.
How to Play A Locrian #2 on Piano
On piano, the A Locrian #2 scale uses 1 black key. Start with your thumb on A and use the black keys as landmarks for consistent finger placement. Standard major or minor fingering patterns apply.
The A Locrian #2 scale contains 1 flat (Eb). Its relative major is C major, which shares the same key signature.
Practice Routine
Practice the A Locrian #2 scale by playing it ascending with one rhythmic feel (straight eighth notes) and descending with another (swing or triplets) at 100 BPM. This dual approach trains both technical accuracy and rhythmic versatility with the 7 notes of the scale.
Experiment with simple two-chord vamps rooted on A to let the characteristic intervals of the Locrian #2 scale come through clearly. This scale is especially effective in contemporary contexts.
Piano Tips
On piano, practice the A Locrian #2 scale hands together in contrary motion (one hand ascending, the other descending). This builds independence and strengthens your awareness of the scale's symmetry. Aim for a dark quality in your phrasing to match the natural character of this scale.
Related Scales
Locrian #2 is the 6th mode of the Melodic Minor scale. View A Melodic minor scale
The A Locrian #2 scale contains 7 notes (A, B, C, D, Eb, F, G). Use the interactive piano diagram above to explore this scale on Piano.