Super Locrian ♭♭7 guitar scale
See the Super Locrian ♭♭7 scale on a guitar fretboard, learn its notes and degrees, and practice it in any key.
What it is
The seventh mode of harmonic minor: every note is lowered except the root, and the 7th is double flat. Diminished and very unstable.
How to use it
Play it over the fully diminished 7 chord built on the 7th note of harmonic minor. Very rare: a colour for one chord.