For the fourth time, BigCityBeats hosted World Club Dome and transformed the Commerzbank Arena in Frankfurt into the biggest club in the world. Over the first weekend in June, hundreds of DJs and artists performed for the crowd of more than 130,000 on 20 stages covering the immense 700,000 m² festival area. Headlining the opening night on the Arena’s main stage, Armin van Buuren and David Guetta made it clear that Frankfurt does not just work hard, but plays hard as well. Top acts this year included Hardwell, Martin Garrix, Oliver Heldens, Steve Aoki and Frankfurt’s own Sven Väth. New to the festival this year was the giant WCD Pool Sessions party. In addition, some lucky attendees traveled to the festival in the world’s highest disco. A Boeing 747 outfitted as a disco at 10,000 meters flew festival goers from London, Paris and Hamburg to Frankfurt accompanied by the electronic dance stylings of DJ Robin Schulz.