Qarqarak Qarqarak is one of the percussion instruments that with indirect wear and rotation the instrument itself, it makes sound. Today, this instrument is almost rare in Iran and the world, and so far, two self-attrite instruments have been identified in Iran. Qarqarak is named as it sounds resembles the croak of a crow. Physical features: This instrument is consisting of the following sections: The wooden handle is in the form of a round piece of wood that is made of different woods. At a location close to one end, there is a gutter-shaped groove around the wood Strings made of ponytail hair are tied in the gutter groove and can move freely. The other ends of the strings are tied inside the bowl as passing through the hole in the central part of the resonant bowl. The resonance bowl is made of pottery or walnut wood, which is hung by bunches of hair and is like a pendulum. The skin is made of thinned sheepskin, graphite paper or cement paper. Despite its simple structure, Qarqarak has a precise and logical mechanism. Different parts of the instrument are divided into three main parts in terms of function. Sound manufacturer, which includes wooden handles and ponytail strings The transmitter of the sound, such as the skin drawn on the opening of the resonant bowl and the hair strands of the ponytail The intensifying part of the sound, including the resonant bowl, and the skin part on the opening of the resonant bowl

performance technique: The contact point of the ponytail strings with the wooden handle is soaked with water, then the handle is rotated in the air. So, the resonance bowel is rotating in the air as the ponytail strings are robbed to the handle. This sound is transmitted to the skin through the strings and is amplified inside the bowl, which eventually produces a louder sound. Wetting the contact area of ​​the handle with the hair strands increases the friction between the wood and the hair.

administration: Qarqarak is played as a toy and creates intense and exciting sounds. In the past, it was more common among children and adolescents and was used on Shaharshanbe- Soori ceremony.