4-String Banjo Chord Chart and Tabs in Plectrum Tuning

FbmM7, Fbm#7, Fb-M7, Fb−Δ7, Fb−Δ, Fb minmaj7
Notes: F♭, A♭♭, C♭, E♭
4,4,4,5 (1112)
4,0,0,1 (2..1)
4,8,0,5 (13.2)