Guitar Chord Chart and Tabs in Viol Tuning Tuning

GbmM7, Gbm#7, Gb-M7, Gb−Δ7, Gb−Δ, Gb minmaj7
Notes: G♭, B♭♭, D♭, F
x,6,6,9,8,7 (x11432)
x,10,6,9,0,7 (x413.2)
x,x,6,9,8,7 (xx1432)
7,6,6,x,8,7 (211x43)
7,6,6,9,8,x (21143x)
4,6,x,5,8,4 (13x241)
7,10,6,9,0,x (2413.x)
x,6,6,x,8,7 (x11x32)
x,10,6,9,0,x (x312.x)
x,6,6,5,8,x (x2314x)
x,6,x,5,8,4 (x3x241)
x,10,6,9,x,7 (x413x2)
7,6,6,x,8,x (211x3x)
4,6,x,5,8,x (13x24x)
7,x,6,9,8,x (2x143x)
7,10,6,9,x,x (2413xx)
7,6,x,x,8,4 (32xx41)
4,6,x,x,8,7 (12xx43)