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

Solb+7, Solb7♯5, Solb7+5, Solb aug7
Notes: Sol♭, Si♭, Re, Fa♭
8,5,4,7 (4213)
8,9,10,9 (1243)
8,11,10,7 (2431)