Guitar Chord Chart and Tabs in 4 String Tuning

RebM7b9, RebMa7b9, RebΔ7b9, RebΔb9
Notes: Re♭, Fa, La♭, Do, Mi♭♭
x,6,10,7,9,6 (x14231)
x,6,10,7,6,9 (x14213)
x,6,0,5,9,6 (x2.143)
x,6,0,5,6,9 (x2.134)