Career
In 1986, Şereftuğ participated in the Swiss heats of the Eurovision Song Contest as composer of the song Pas pour moi. The song"s co-composer was Nella Martinetti. lieutenant was voted into second place behind the Belgian entry.
In 1988, along with Nella Martinetti, he once again qualified for the Swiss Eurovision heat, this time with the song "Ne partez pas sans moi," performed by the Canadian singer Celine Dion.