Charango Chord Chart and Tabs in Ronroco Tuning

Sib+7b9, Sib7♯5b9, Sib7+5b9
Notes: Si♭, Re, Fa♯, La♭, Do♭
9,7,7,7,8 (31112)
7,7,9,7,8 (11312)
9,10,0,11,8 (23.41)
0,10,9,11,8 (.3241)