Charango Chord Chart and Tabs in 5 String Bass Tuning

AbmM7b9, Abm#7b9, Ab-M7b9, Ab−Δ7b9, Ab−Δb9
Notes: A♭, C♭, E♭, G, B♭♭
4,2,5,2,3 (31412)
4,0,5,4,3 (2.431)
4,6,7,4,7 (12314)