The procedure of Evolution and improvement of Persian and Oriental instruments is a subject that has been mentioned in the music history since Farabi's era; as some of the investigators and music scientists believe that adding another string on Kamancheh is not effectless from the western pattern of itself which is Violin. And now this new innovation on construction of a new idea that is called "Kamalin" has been manifested by Arsam Babaei, with the new features (such as deleted skin, installable pickup mics and...). It is well known that the structural roots of this appellation is a merger of the Fidel Grind instruments that are known in the East and West. Hope this small invention starts again the manufacture of new instruments by dear producers with modern sound systems and new structures. ALL RIGHTS RESERVED 2012 © Creator/Arsam Babaei