4-String Banjo Chord Chart and Tabs in Gbb Tuning

イb5, イMb5, イΔ-5
Notes: イ, 嬰ハ, 変ホ
5,2,2,1 (4231)
5,6,4,7 (2314)
x,8,10,11 (x123)
5,6,4,x (231x)
5,x,2,1 (3x21)