The Ethnic Percussion arabic darbuk (darbuka), size of leather surface from 7 to 11 inch, is tied in the traditional way or with metalic rings.The very first big one –doholla– was made for musician, Hossam Ramzy, used in his tour in the USA. At the Ethnic Percussion workshop a musician can contribute by taking part in the final design of the instrument, and adapt the different details in construction to his/her taste.