4-String Banjo Chord Chart and Tabs in Gbb Tuning

変ロ+M7, 変ロ+Δ, 変ロM7♯5, 変ロM7+5, 変ロΔ♯5, 変ロΔ+5, 変ロ augmaj7
Notes: 変ロ, ニ, 嬰ヘ, イ
6,7,7,7 (1234)
6,2,3,4 (4123)