Queen of Techno from Poland. Members of Mayday team - Carla Roca in LONDON !!! Get ready for an electrifying night filled with positive vibes and pulsating Techno beats. Witnessing one of the top female Techno DJs, Carla Roca, take to the decks will be an unforgettable experience. For over two decades, she has been a staple at Members of Mayday, one of Europe's premier Techno festivals.