4-String Banjo Chord Chart and Tabs in Whole Step Down Tuning

라bM7b5, 라bMa7b5, 라bj7b5, 라bΔ7b5, 라bΔb5, 라b maj7b5
Notes: 라♭, 도, 미♭♭, 솔
10,9,0,0 (21..)
10,7,7,7 (2111)