There are at least three artists called Marko; one from the Czech Republic, one from Romania and other from Venezuela. 1) Marko is a Czech hip-hop producer from Prague, famous for his interest in "metal-like" productions. Under Bigg Boss label, he relased his debut album "Velmi nebezpečné známosti" in 2007. He also has productions on various LPs of czech hip-hop artists, such as LA4, Vladimir 518 or Hugo Toxxx. According to Toxxx's verse in "Cislo jedna" on his recent album "Rok psa", Marko is getting more recognition in Poland these days.