D# Locrian Cavaquinho Scale
Cavaquinho scale — fretboard diagramAdvanced
D# Locrian Scale — Notes and Intervals
The D# Locrian scale is the seventh and most unstable mode of the major scale. On Cavaquinho, the notes are D#, E, F#, G#, A, B, C#. 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 D# Locrian are D#m7b5, EMaj7, F#m7, G#m7, AMaj7, B7, C#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: D#, E, F#, G#, A, B, C#
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
Diatonic Chords
D♯m7♭5 — EMaj7 — F♯m7 — G♯m7 — AMaj7 — B7 — C♯m7
Musical Character
The only mode with a diminished 5th (b5) from the root, making its home chord a diminished triad. This instability means Locrian is almost never used as a key center — it is a tool for tension.
Genres & Notable Artists
Genres: Jazz, Metal, Experimental, Avant-Garde
Notable players: John Coltrane, Meshuggah, Dream Theater
How to Use the D# Locrian Scale
Use over m7b5 (half-diminished) chords. Essential for jazz ii-V-i in minor keys where the ii chord is half-diminished.
Origin & Background
Named after the Locrians of ancient Greece. Considered 'unusable' for centuries until jazz musicians found its purpose over half-diminished chords.
How to Play D# Locrian on Cavaquinho
Begin by locating D# on your instrument and play through the 7 notes of the Locrian scale slowly, ensuring each note rings clearly before increasing speed.
The D# Locrian scale contains 4 sharps (D#, F#, G#, C#). Its relative major is F# major, which shares the same key signature.
Practice Routine
Set a metronome to 100 BPM and play the D# Locrian scale in groups of four notes, shifting the starting note each repetition. This builds muscle memory across the entire scale range. After a week, try improvising short 4-bar phrases using only these notes.
Try these progressions with the D# Locrian scale: D#m7b5 - G#m7 - AMaj7 - D#m7b5 (I-IV-V-I) or D#m7b5 - EMaj7 - G#m7 - AMaj7 for a more stepwise movement. This scale is especially effective in experimental contexts.
Cavaquinho Tips
Practice the D# Locrian scale slowly and evenly on your instrument, focusing on tone quality for each of the 7 notes before building speed. Aim for a unstable quality in your phrasing to match the natural character of this scale.
Related Scales
Locrian is the 7th mode of the Major scale. View D# Major scale
The D# Locrian scale contains 7 notes (D#, E, F#, G#, A, B, C#). Use the interactive fretboard above to explore this scale on Cavaquinho with different tunings and fret ranges.
CAGED Positions & Patterns for D# Locrian
The D# Locrian scale can be played in 5 CAGED positions across the fretboard, each based on an open chord shape (C, A, G, E, D). As a 7-note scale, it also lends itself to 3-notes-per-string (3NPS) patterns that facilitate legato playing and diagonal shifting. Use the pattern selector above to isolate each position.
Explore D# Locrian Further
- Browse chord progressions
- D# Locrian on Guitar
- D# Locrian on Ukulele
- D# Locrian on Bass
- D# Locrian on Piano