References
Pictures: collected and taken by Amir Mousavi, Tanbour website
Audio: collected by Amir Mousavi
Articles & definitions: collected and illustrated by Amir Mousavi, Peyman Nasehpour, the encyclopedia of Persian music instruments (Simin & Zarrin productions), The encyclopedia of Persian chordophones (Mahoor institute), History of Persian music (Mahoor institute), Tanbour website.
All Articles are copyrighted and all rights are reserved for Nay-Nava (est. 2006) and the listed above