About Harun Tekin (musician)
Sami Harun Tekin is a Turkish singer, musician, and poet. He is one of the founding members and the vocalist of the Turkish rock band Mor ve Ötesi. In 1988, while being a student at German High School in Istanbul, Harun met Kerem Kabadayı with whom he would later establish his first band. In 1990, Tekin, together with his school friend Kerem Kabadayı founded a group «Decision». After Yalabık left the group, the musicians decided to move to Turkish lyrics, and founded in 1995 the group of Mor ve Ötesi (literally Purple and Beyond; a play on the word morötesi, meaning ultraviolet).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.