Clay darbuka (ceramic darbuka) has a deep natural sound as clay is used in the goblet shaped body and natural skin is used at the top of the instrument. Widely used skins in clay darbuka are fish, goat and cow. As the skin is natural, the skin head is sensitive to humidity. Clay darbuka players heat the skin head before the performance for tuning.There are 3 commonly accepted sizes of clay darbuka: solo darbuka, mid bass darbuka and bass darbuka (dohollo). Bass darbuka has the deep sound frequency and usually has diameter of from 27cm to 29cm and height is between 52cm-57cm.