4-String Banjo Chord Chart and Tabs in Whole Step Down Tuning

SibM7, SibMa7, Sibj7, SibΔ7, SibΔ, Sib maj7
Notes: Si♭, Re, Fa, La
0,0,2,2 (..12)
0,4,5,7 (.123)
0,0,9,7 (..21)
0,9,9,10 (.123)