4-String Banjo Chord Chart and Tabs in Gbb Tuning

Si+M7, Si+Δ, SiM7♯5, SiM7+5, SiΔ♯5, SiΔ+5, Si augmaj7
Notes: Si, Ré♯, Fax, La♯
7,0,4,8 (2.13)
7,8,8,8 (1234)
7,3,4,5 (4123)
11,0,0,8 (2..1)