A Bebop Locrian Bass Scale
Bass scale — fretboard diagram
A Bebop Locrian Scale — Notes and Intervals
The A Bebop Locrian scale is a modern bebop variation designed for half-diminished chords. On Bass, the notes are A, Bb, C, D, Eb, E, F, G. It provides a chromatic bridge that helps musicians maintain rhythmic momentum while soloing over highly dissonant and difficult chord changes. Commonly used in Modern Jazz, Post-Bop, Fusion. Notable players include John Coltrane, Woody Shaw, Steve Coleman. Use over m7b5 chords. Maintains bebop rhythmic alignment in the most dissonant harmonic context.
Notes: A, Bb, C, D, Eb, E, F, G
Intervals: 1P, 2m, 3m, 4P, 5d, 5P, 6m, 7m
Degrees: 1 b2 b3 4 5 6 b7 b8
Formula: H-W-W-H-H-H-W-W
Number of notes: 8
How to Play A Bebop Locrian on Bass
On bass, locate A on the E string at fret 5. Use a one-finger-per-fret approach starting from the root and span two to three strings. Keep your fretting hand relaxed and practice shifting between positions cleanly.
The A Bebop Locrian scale contains 2 flats (Bb, Eb). This scale does not follow a traditional major or minor key signature, so reading from sheet music may require accidentals.
Practice Routine
Set a metronome to 80 BPM and play the A Bebop 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.
Experiment with simple two-chord vamps rooted on A to let the characteristic intervals of the Bebop Locrian scale come through clearly.
Bass Tips
Practice the A Bebop Locrian scale on bass using only your index and ring fingers for a two-finger-per-string approach, then switch to one-finger-per-fret. Both techniques are essential for different musical situations.
The A Bebop Locrian scale contains 8 notes (A, Bb, C, D, Eb, E, F, G). Use the interactive fretboard above to explore this scale on Bass with different tunings and fret ranges.
CAGED Positions & Patterns for A Bebop Locrian
The A Bebop 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 8-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.