"O Julissi" also known as "O Julissi Na Jalini" is a song by the Belgian six-piece band Ishtar. The swing influenced song represented Belgium at the Eurovision Song Contest 2008 first semi-final in Belgrade, but missed out on qualification to the grand final. "O Julissi" was released as a single on 14 March 2008, and the song entered the Belgian Ultratop at #7. In its second week, "O Julissi" topped the list. Ishtar performed their song during the semi-finals on 20 May 2008 but did not qualify to the final. It is sung entirely in Ukrainian-influenced imaginary language.