4-String Banjo Chord Chart and Tabs in Irish Tuning

FbmM7, Fbm#7, Fb-M7, Fb−Δ7, Fb−Δ, Fb minmaj7
Notes: F♭, A♭♭, C♭, E♭
9,9,10,11 (1123)
9,5,6,7 (4123)