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

도b7b13, 도b7-13
Notes: 도♭, 미♭, 솔♭, 시♭♭, 라♭♭
10,11,9,9,x,10,x (2411x3x)
9,11,10,9,x,10,x (1421x3x)
10,x,9,9,x,10,11 (2x11x34)
9,x,10,9,x,10,11 (1x21x34)