OTK is a Czech band playing a mixture of alternatives, raw rock and noise. It was founded in 1988 in Prague and in its beginnings was both personally and concerts related to Tata Bojs with whom regularly held annual concerts. During his tenure OTK released four albums, numerous compilations and remixes album songs Klan. Leads a group of artistically Ondrej Jezek, who also work in their dedicated OTK zvukaření and also runs his own recording studio. The band is one of the main pillars Publishing Silver Rocket and often performs at events and mini-festival organized by this label.