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

SolbmM7, Solbm#7, Solb-M7, Solb−Δ7, Solb−Δ, Solb minmaj7
Notes: Sol♭, Si♭♭, Ré♭, Fa
8,8,9,10 (1123)
8,4,5,6 (4123)