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