G-flat Mixolydian scale

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

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