4-String Banjo Chord Chart and Tabs in Gbb Tuning

Solb+, Solb aug, Solb Augmented
Notes: Sol♭, Si♭, Ré
2,3,3,0 (123.)
2,3,3,4 (1234)
x,7,7,8 (x112)
2,3,x,0 (12x.)
2,3,3,x (123x)