C Locrian Pentatonic Guitar Scale
Guitar scale in Drop D tuning — fretboard diagram
C Locrian Pentatonic in Drop D — Notes and Intervals
The C Locrian Pentatonic scale is an unstable and mysterious scale used to evoke tension and ambiguity. On Guitar, its notes are C, Eb, F, Gb, Bb. It is often found in experimental music and certain Indian Ragas, providing a dissonant, outside sound that is perfect for dark, avant-garde, or high-tension compositions. Commonly used in Jazz, Fusion, Experimental, Progressive. Notable players include John Scofield, Kurt Rosenwinkel. Use over m7b5 (half-diminished) chords. Essential for jazz solos over ii chords in minor ii-V-i progressions.
Notes: C, Eb, F, Gb, Bb
Intervals: 1P, 3m, 4P, 5d, 7m
Degrees: 1 b2 3 4 b5
Formula: WH-W-H-4-W
Number of notes: 5
Tuning: Drop D (D-A-D-G-B-E)
Also known as: minor seven flat five pentatonic
About Drop D Tuning
Drop D tuning lowers the 6th string from E to D, giving you instant access to heavy power chords with a single finger. This deceptively simple change opens up a world of heavier riffs, deeper bass notes, and new chord voicings that are impossible in standard tuning. The low D string creates a powerful foundation for rhythm playing while keeping the rest of the fretboard familiar.
Drop D is one of the most versatile alternate tunings in modern music. From the crunchy riffs of grunge and alternative rock to the thunderous breakdowns of metal, this tuning has shaped the sound of countless iconic songs. It's also surprisingly useful for fingerpicking and acoustic arrangements where you need a deep bass drone.
Notable artists: Foo Fighters, Soundgarden, Rage Against the Machine, Tool, Killswitch Engage
Best for: Power chords, heavy riffs, drop-tuned metal rhythm, and acoustic arrangements with a deep bass drone
Musical Character
The darkest pentatonic — contains the b5 that defines the Locrian sound. Excellent for outlining m7b5 chords in jazz with minimal notes.