?ncesaz is a Turkish group which was founded by Murat Aydemir, Derya Türkan, and Cengiz Onural in 1997. Their first album, Bir/Eski Nisan, was released in 1999, followed by an album for the Turkish television series ?kinci bahar. In 2001, bass player Ak?n Aral joined the group,and they released a new album called iki/eyl?l ?ark?lar?. In 2003 they added percussionist Engin Gürkey, and released ??/?stanbul.
Their fourth album, d?rt/Mazi Kalbimde Bir Yarad?r (2005) involved performances of traditional and classical Turkish music. In 2006, Türker Çolak (nephew and student of Engin G?rkey) replaced Engin Gürkey. Their fifth album, be?/Elif (2007) has turkish folk music performances. Their sixth album is called alt?/Kalbimdeki Deniz.