 September), with Nebojsa Arezina, Marko co-founded Atelje Trag, a music production company.Together, they've composed, arranged and produced over 700 songs for leading Serbian artists along with number of Radio and TV commercials and jingles.Atelje Trag also produced some of the biggest concerts and Ceremony shows for clients such as Jelena Karleusa, Natasa Bekvalac and Lepa Brena.