4-String Banjo Chord Chart and Tabs in Gbb Tuning

Bbsus4, Bbsus, Bb4, Bbadd4
Notes: B♭, E♭, F
6,3,4,3 (3121)
6,8,6,8 (1213)
6,8,6,x (121x)
6,x,4,3 (3x21)