Na Petroleum Beat se vračajo HATVAN CITY HARD CORE, ki igrajo brezkompromisni hardcore že od leta 1992. Znani so po eksplozivnih nastopih, pri katerih nihče v občinstvu ne ostane na mestu.
HATVAN CITY HARD CORE are back for the Petroleum Beat 2020! They play uncompromising hardcore since 1992. They are known for explosive live performances that leave no one in the audience standing still.