D-flat Phrygian scale
The D-flat Phrygian 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 degree lowered a half step.
The D-flat Phrygian scale is a mode of the B-double-flat major scale. It contains the same notes but starts on the third degree of the major scale.