Buy rebab/rabab/rubab for sale. Rebab is a Stringed musical instrument. It has a heart-like body carved out from a single piece of wood. Body is enclosed in a membrane made of parchment from a cow bladder. It consist of three melody strings, three drone strings and around 12 sympathetic strings. The head of the instrument is carved out from an animal skin and the strings are either made from gut(intestines of young goats) or from nylon.