Ukulele Chord Chart and Tabs in Half-step down Tuning

GbØ, GbØ7, Gbø, Gbø7, Gbm7b5, Gbm7°5, Gb−7b5, Gb−7°5, Gb min7dim5, Gb min7b5
Notes: G♭, B♭♭, D♭♭, F♭
6,7,6,8 (1213)
0,10,9,8 (.321)