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

Mib+M7, Mib+Δ, MibM7♯5, MibM7+5, MibΔ♯5, MibΔ+5, Mib augmaj7
Notes: Mi♭, Sol, Si, Ré
5,2,2,4 (3112)
5,6,2,0 (231.)
5,6,7,7 (1234)