Guitar Chord Chart and Tabs in Drop D Tuning

SibmM11, Sib-M11, Sib minmaj11
Notes: Si♭, Re♭, Fa, La, Do, Mi♭
8,6,7,6,6,8 (312114)
8,8,11,8,10,8 (113121)
8,8,10,8,10,9 (113142)