4-String Banjo Chord Chart and Tabs in Open G Tuning

GmM7b5
Notes: G, B♭, D♭, F♯
6,8,0,7 (13.2)
0,8,6,7 (.312)
6,5,3,7 (3214)
3,5,6,7 (1234)
11,11,0,11 (12.3)
0,11,11,11 (.123)