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

СиbM13, СиbΔ13, Сиb maj13
Notes: Си♭, Ре, Фа, Ля, До, Ми♭, Соль
10,10,8,8,8,10,8 (2311141)
8,10,10,8,8,10,8 (1231141)
10,8,8,8,8,10,10 (2111134)
8,8,10,8,8,10,10 (1121134)