Guitar Chord Chart and Tabs in Double Drop D Tuning

DobM7b9, DobMa7b9, DobΔ7b9, DobΔb9
Notes: Do♭, Mi♭, Sol♭, Si♭, Re♭♭
x,2,4,3,1,1 (x24311)
x,2,1,3,1,4 (x21314)
9,9,10,8,x,8 (2341x1)
9,9,8,8,x,10 (2311x4)