Zatop alias KOSSA is a Drum & Bass DJ who started his first mix experiments in mid-2006 on Mixvibes music software six months later, switching to Analog where he starts sharpening his style and starts buying vinyl released on Offkey, Subsintenz, Freak, Position Chrome etc. that they have been learning to mix for two years. In 2009, he first performs in Opava, where he meets DNB Promoter Djeezzy, with whom he begins full cooperation at events known as Drum'N'Noize, and in 2010 for the first time in Ostrav...