Guitar Chord Chart and Tabs in Drop B (7-String) Tuning

GbM13, GbΔ13, Gb maj13
Notes: G♭, B♭, D♭, F, A♭, C♭, E♭
6,7,4,4,4,5,4 (3411121)
4,7,6,4,4,5,4 (1431121)
6,4,4,4,4,5,7 (3111124)
4,4,6,4,4,5,7 (1131124)