D-flat Mixolydian scale

The D-flat Mixolydian scale is a seven-note scale consisting of the notes D♭, E♭, F, G♭, A♭, B♭, and C♭. The scale corresponds to the D-flat major scale with the seventh degree lowered a half step.

The D-flat Mixolydian scale is a mode of the G-flat major scale. It contains the same notes but starts on the fifth degree of the major scale.