These rings with the same distance as the ring sound together with the main sound of the instrument create a pleasant mood. In the corner of the wooden wall there is a circular hole, into which the musician, while playing, inserts his thumb to hold the instrument and taps the surface of the instrument with the remaining fingers of both hands. While the player is playing, he shakes the instrument, causing the hanging rings on its inner wall to vibrate, resulting in a ringing sound produced by the beating of the skin. None of the sounds produced in this instrument are particularly loud.
In the pre-Islamic era, Daf was present in Iranian and Kurdish music, so traces of its rhythms still exist in Kurdish music, but due to the ban. Music With the advent of Islam, this instrument was closed for its survival. Qaran became a friend of Kurdistan dervishes in the monasteries and takayas of Kurdistan and more than 13 monasteries of Kurdistan and mixed with their zikr and sama so that in each position the zikr is accompanied by its own song on the tambourine, and in other words, each zikr has its own place. It has what are called def positions.

♦️ Def learning process ♦️
Like any instrument, the student gets acquainted with music theory and note reading in the first lessons, then learns how to pick up the instrument and the types of beats used in the def, and gradually learns by doing basic exercises. The def training book gradually learns different rhythms and different techniques of playing the def are introduced. Play an instrument or voice, it usually takes approx. After a year, some conditions that increase your progress in learning are interest, patience, perseverance and frequent practice.