7-String Guitar Chord Chart and Tabs in Open String Tuning

Bb+M9, Bb augmaj9
Notes: B♭, D, F♯, A, C
10,9,8,x,10,8 (321x41)
8,9,8,x,10,10 (121x34)
10,x,8,11,10,8 (2x1431)
8,x,8,11,10,10 (1x1423)