Ukulele Chord Chart and Tabs in Half-step down Tuning

Gbb5, GbMb5, GbΔ-5
Notes: G♭, B♭, D♭♭
x,7,7,4 (x231)
0,11,9,10 (.312)
6,7,7,10 (1234)
6,7,7,x (123x)
4,x,3,4 (2x13)
4,7,x,4 (12x1)
0,11,9,x (.21x)
0,x,7,4 (.x21)
6,x,3,2 (3x21)