7-String Guitar Chord Chart and Tabs in Drop a Tuning

Do7b9
Notes: Do, Mi, Sol, Si♭, Ré♭
x,9,10,10,9,11,9 (x123141)
x,x,10,10,9,11,9 (xx23141)
10,9,x,10,9,11,9 (21x3141)
x,9,10,10,9,11,x (x12314x)
10,9,x,10,9,11,x (21x314x)
10,x,x,10,9,11,9 (2xx3141)