Soprano Rabab has three different sets of strings:

-Three main strings are made of nylon and the gauges are: 0.60(Do)-0.70(Sol)-0.80mm(Do)

-Three main sub-strings are made of steel and brass and the gauges are: 0.20(Do)-0.22(Sol)-0.20mm(Do)

-Sub-strings are 12 to 15 and made of steel and their gauge is: 0.18mm and tuned based on the minor and/or major key

-Pack contains 21 strings

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