He started music by singing in church choirs. He founded a music group called "Black Stones" during his high school years. In 1965, he started his professional music career as a bass guitarist with the "Üstün Poyraz Set Orchestra". He started jazz music with Emin Fındıkoğlu's orchestra in 1967. In the following years, he increased his musical experience by working with the orchestras of Durul Gence and Süheyl Denizci. He made a name for himself with his arrangement in the 1970s. At that time, he contributed to the albums of many names including Özdemir Erdoğan, Nilüfer, Bülent Ortaçgil, Gülden Karaböcek, Ajda Pekkan, Nükhet Duru and Gökben. In 1973 he released his record "The Bracelet / Melissa". Söz Sevgilim Söz, one of Tunç's first compositions, whose lyrics was written by Çiğdem Talu, was voiced by Cömert Baykent. Many times he competed as a composer and arranger in the Eurovision Song Contest Turkey Finals. In 1978 and 1981, he represented Turkey in this contest as arranger and conductor.