What is "impur"

Impur is a town and an assembly constituency in Nagaland, India. It was established as a mission centre in 1894 by the American missionaries. In 1897, when the Ao Baptist Arogo Mungdang (Ao Baptist Church Association) was formed, it became its headquarters and continues to do so till date. It is 15 kilometres away from the heart of Mokokchung town.It is also the Headquarters of AO churches (ABAM) in Nagaland which has about 159 churches under its Fold.It has a Higher Secondary school, Hospital and a church. It is surrounded by villages including Sungratsu, Mopungchuket and Longjang.

Impur is an album by English guitarist, composer and improvisor Fred Frith. It was composed in 1996 by Frith "for 100 musicians, large building and mobile audience" and was performed on 30 May 1996 by students and teachers from L’Ecole Nationale de Musique, Villeurbanne, France. Frith directed the performance but did perform himself.

Impur is the first of two performances commissioned by L’Ecole Nationale de Musique while Frith was resident music professor at the institution. The second was Impur II (2009).