Ukulele Chord Chart and Tabs in Open Gh Tuning

Gbb5, GbMb5, GbΔ-5
Notes: G♭, B♭, D♭♭
5,x,2,3 (3x12)
3,x,2,5 (2x13)
5,6,x,3 (23x1)
3,6,x,5 (13x2)