4-String Banjo Chord Chart and Tabs in Gbb Tuning

도bmM7, 도bm#7, 도b-M7, 도b−Δ7, 도b−Δ, 도b minmaj7
Notes: 도♭, 미♭♭, 솔♭, 시♭
7,7,7,8 (1112)
7,3,7,0 (213.)
7,3,3,4 (3112)
7,11,11,0 (123.)
10,11,0,8 (23.1)