Bass Chord Chart and Tabs in Drop C standard Tuning

Sibb5, SibMb5, SibΔ-5
Notes: Si♭, Re, Fa♭
10,9,10,9 (2131)
10,7,10,11 (2134)
10,9,x,9 (21x1)
10,7,x,11 (21x3)