4-String Banjo Chord Chart and Tabs in GDAD Tuning

Abb5, AbMb5, AbΔ-5
Notes: A♭, C, E♭♭
1,0,3,0 (1.2.)
x,6,3,0 (x21.)
1,0,3,x (1.2x)
1,x,3,0 (1x2.)