 His song "Work Your Magic" was the first Belarusian song to enter the Eurovision final which later achieved sixth place and top chart positions in Eastern Europe.He starred as "Joaquín" in the rock opera ""Звезда и Смерть Хоакина Мурьеты"" (The Star and the Death of Joaquín Murety) staged at the Lenkom Theatre.Since Koldun was four he aspired to be a doctor and went on to do medical studies at Minsk High School.