Guitar Chord Chart and Tabs in C open Tuning

Abo7b9, Ab°7b9
Notes: A♭, C♭, E♭♭, G♭♭, B♭♭
8,7,5,7,5,5 (421311)
8,7,5,5,5,7 (421113)
8,7,5,7,x,5 (4213x1)
8,7,x,7,5,5 (42x311)
8,7,5,5,x,7 (4211x3)
8,7,x,5,5,7 (42x113)