4-String Banjo Chord Chart and Tabs in Gbb Tuning

CØ, CØ7, Cø, Cø7, Cm7b5, Cm7°5, C−7b5, C−7°5, C min7dim5, C min7b5
Notes: C, E♭, G♭, B♭
8,8,7,8 (2314)