Charango Chord Chart and Tabs in 5 String Bass Tuning

GbmM9, Gb-M9, Gb minmaj9
Notes: G♭, B♭♭, D♭, F, A♭
2,0,3,1,1 (3.412)
2,4,6,2,5 (12413)
2,0,6,6,5 (1.342)