D-flat Locrian scale
The D-flat Locrian scale is a seven-note scale consisting of the notes D♭, E♭♭, F♭, G♭, A♭♭, B♭♭, and C♭. The scale corresponds to a D-flat natural minor scale with the second and fifth degree lowered a half step.
The D-flat Locrian scale is a mode of the E-double-flat major scale. It contains the same notes but starts on the seventh degree of the major scale.