Degrees : G♭ (I - tonic), G (II - supertonic), B♭ (III - mediant), B (IV - subdominant), D♭ (V - dominant), D (VI - submediant), F (VII - leading tone)
You'll find below the 5 different positions/shapes of the Gb Double harmonic Uke scalein Slack-key Tuning (gCEG), along with
their ascending tab patterns.