7-String Guitar Chord Chart and Tabs in Drop G Tuning

AbmM13, Ab-M13, Ab minmaj13
Notes: A♭, C♭, E♭, G, B♭, D♭, F
10,9,8,8,8,10,8 (3211141)
8,9,10,8,8,10,8 (1231141)
10,8,8,8,8,10,9 (3111142)
8,8,10,8,8,10,9 (1131142)