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

HM7b9, HMa7b9, HΔ7b9, HΔb9
Notes: H, Dis, Fis, Ais, C
8,9,9,8,11,8 (123141)
x,9,9,8,11,8 (x23141)
8,9,9,8,11,x (12314x)