Ab Dorian

Ab Dorian mode for bass guitar presented by diagram.
The A flat Dorian displayed as fingerboard diagram for bass. The notes are marked in blue color, root notes are the darker ones.

Ab Dorian one octave

Ab Dorian scale diagram for bass guitar

Ab Dorian full fretboard

Ab Dorian scale whole neck diagram

Ab Dorian with note names

Ab Dorian scale with note letters diagram
Notes: Ab - Bb - Cb - Db - Eb - F - Gb Intervals: 2 - 1 - 2 - 2 - 2 - 1 - 2 Type: Septonic 

The scale displayed with its numeric formula, notes, intervals and scale degrees.

Formula Notes Intervals Degrees
1 Ab Unison Tonic
2 Bb Major second Supertonic
b3 Cb Minor third Mediant
4 Db Perfect fourth Subdominant
5 Eb Perfect fifth Dominant
6 F Sixth Submediant
b7 Gb Minor seventh Subtonic

The third degree is written as Cb, which is the same as B. A practice in a scale notation is to not include the same letter twice, if it can be avoided.

The A flat Dorian consists of seven notes. It can be described in steps as a formula which is written as whole step, half step, whole step, whole step, whole step, half step, whole step from the first note to first note in the next octave.
The Ab Dorian is the second mode of the Gb Major Scale, they contain the same notes, but starts on different notes.
Dorian has a Minor scale quality and its formula deviates with only one note, the 6th, compared to the Natural Minor.

Ab Dorian scale tablature for four-string bass.

Ab Dorian scale bass tab

The numbers above the tablature are suggested fingerings.