Wikipedia
Shushtar (; also Romanized as Shūshtar and Shūstar, and Shooshtar) is a city in and the capital of Shushtar County, Khuzestan Province, Iran. At the 2012 census, its population was 192,361.
Shushtar is an ancient fortress city, approximately away from Ahvaz, the centre of the province. Much of its past agricultural productivity derives from the Roman-built irrigation system which centered on the Band-e Kaisar, the first dam bridge in Iran. The Mayor of Shushtar is Ahmad Asefi.
Shushtar is a musical modal system in traditional mugham music.
This is the fourth and the smallest mode according to its amount of sounds. Sound line is created in amalgamation of two tetra-chords with different method. It has eight membranes and consists of 0.5-1-0.5 tone. In Shushtar mode the third membrane is the completive tone, the fourth membrane is Maye. It creates deeply sad feelings at listener. Subgenres of Segah includes: Amiri, Shushtar, Masnavi, Movlavi, Tarkib, space for Shushtar. Other mugams relating to the Mugham are: Ovshary, Heydari.