4-String Banjo Chord Chart and Tabs in Gbb Tuning

Dobm2, Dobmadd2, Dobmadd9
Notes: Do♭, Mi♭♭, Sol♭, Re♭
7,6,7,0 (213.)
9,11,0,0 (12..)
7,7,7,11 (1112)
7,6,3,4 (4312)
10,11,0,11 (12.3)