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Morchang is the most favourite instrument for Langa community of Rajasthan, a wrought iron instrument, much akin to the Jews harp, which produces twanging sounds.


It consists of a metal ring in the shape of a horseshoe with two parallel forks which form the frame, and a metal tongue in the middle, between the forks, fixed to the ring at one end and free to vibrate at the other. The metal tongue is bent at the free end in a plane perpendicular to the circular ring so that it can be struck and is made to vibrate. This bent part is called the trigger.



The morchang is placed between the teeth and held firmly in the hand and is struck using the other hand to produce sound. Movement of the player's tongue, variations of the throat and blowing and sucking of air through the instrument produces different sounds or overtones