Bass Chord Chart and Tabs in C Standard1 Tuning

Gb2, Gbadd2, Gbadd9
Notes: G♭, B♭, D♭, A♭
6,3,3,7 (2113)
6,5,3,5 (4213)
6,8,0,5 (23.1)
6,8,10,7 (1342)