Buhurizade Mustafa Itri Efendi, usually known simply as Itri (1640-1711), was a composer and performer of Turkish classical music. Itri was a major exponent of Turkish classical music. He was a prolific composer, producing over a thousand works, of which only about forty survive. It is believed that he was a Mevlevi, and composed religious music for this order. He lived through the times of five Ottoman Emperors. He became well known during the time of Mehmet IV.