Feridun Düzağaç started his music career by forming a band called "TINI" ("TONE") in Mersin while studying in university. This band was formed in 1988 and Feridun Düzağaç was the vocalist of this band consisting five musicians. Other members of the band were Feridun Düzağaç's schoolmates. The first song that Feridun Düzağaç wrote was "Lavinia" which was a poem originally written by famous Turkish poet Özdemir Asaf. In 1990, Feridun Düzağaç and his 13 schoolmates wrote a book called "İlk Rüzgar" ("The First Wind") which contained many poems. In 1992, he graduated from the university. In November 1994, he released a demo album called "Öğrenci İndirimi" ("Student Discount") which contained songs that he performed when he was studying in university.