4-String Banjo Chord Chart and Tabs in Gbb Tuning

Доbsus4, Доbsus, Доb4, Доbadd4
Notes: До♭, Фа♭, Соль♭
7,4,5,4 (3121)
7,9,7,9 (1213)
7,9,7,x (121x)
7,x,5,4 (3x21)