Bass Chord Chart and Tabs in Top of C Tuning

GbØ, GbØ7, Gbø, Gbø7, Gbm7b5, Gbm7°5, Gb−7b5, Gb−7°5, Gb min7dim5, Gb min7b5
Notes: G♭, B♭♭, D♭♭, F♭
5,6,4,6 (2314)