F# Locrian Ukulele Scale
Ukulele scale — fretboard diagram
F# Locrian Scale — Notes and Intervals
The F# Locrian scale is the seventh and most unstable mode of the major scale. On Ukulele, the notes are F#, G, A, B, C, D, E. 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 F# Locrian are F#m7b5, GMaj7, Am7, Bm7, CMaj7, D7, Em7. 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: F#, G, A, B, C, D, E
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
F♯m7♭5 — GMaj7 — Am7 — Bm7 — CMaj7 — D7 — Em7
How to Play F# Locrian on Ukulele
On ukulele, find F# on the fret 5 area, and work through the scale within a four-fret span. You may need to shift positions once to cover all 7 notes. Practice each position separately before linking them together.
The F# Locrian scale contains 1 sharp (F#). Its relative major is A major, which shares the same key signature.
Practice Routine
Set a metronome to 80 BPM and play the F# 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 F# Locrian scale: F#m7b5 - Bm7 - CMaj7 - F#m7b5 (I-IV-V-I) or F#m7b5 - GMaj7 - Bm7 - CMaj7 for a more stepwise movement.
Ukulele Tips
The compact fretboard of the ukulele makes the F# Locrian scale easy to visualize in a single position. Use this to your advantage by memorizing the scale shape relative to chord shapes you already know.
The F# Locrian scale contains 7 notes (F#, G, A, B, C, D, E). Use the interactive fretboard above to explore this scale on Ukulele with different tunings and fret ranges.
CAGED Positions & Patterns for F# Locrian
The F# 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 F# Locrian Further
- Harmonize the F# Locrian scale — triads & 7th chords
- Browse chord progressions
- F# Locrian on Guitar
- F# Locrian on Bass
- F# Locrian on Piano