4-String Banjo Chord Chart and Tabs in Gbb Tuning

MimM7, Mim#7, Mi-M7, Mi−Δ7, Mi−Δ, Mi minmaj7
Notes: Mi, Sol, Si, Ré♯
0,0,0,1 (...1)
0,4,4,5 (.123)
0,8,0,5 (.2.1)
0,8,8,9 (.123)