Charango Chord Chart and Tabs in Ronroco Tuning

Bb7b5, BbM7b5, BbM7b5, BbM7b5, Bb dom7dim5
Notes: B♭, D, F♭, A♭
x,10,9,9,8 (x4231)
9,6,5,7,x (4213x)
5,6,9,7,x (1243x)
9,x,5,7,8 (4x123)
5,x,9,7,8 (1x423)
9,10,x,9,8 (24x31)