Ulvi Cemal Erkin Quintet - Borusan Quartet & Ozgur Mert Esenbr (violin, Esen KIVRAK) - (violin Olgu KIZILAY) - (viola, Efdal ALTUN) - (cello, Cag ERCAG) - (piano, Ozgur Mert ESEN)br 27 May 2012, Katara - Drama Theater, DOHA - QATAR