 This did not deter him from his musical interest and in 2004/5 he worked in the State Concert Orchestra of the Republic of Belarus headed by Mikhail Finberg and in the Grand-Prix studio headed by the composer Oleg Eliseenkov who is still Koldun's business partner.In the same year Koldun took part in the concerts of the National Festival of Belarusian sons and poetry Molodechno-2005 and the Arts Festival Slavyansky Bazar in Vitebsk.In 2006, Koldun won the sixth season of the Russian television show "Star Factory" on Channel One.