Big Data's Alan Wilkis gets down with the crowd on a side stage at KROQ's annual Weenie Roast y Fiesta at Irvine Meadows Amphitheatre in Irvine back in May. He will pair up with L.A.'s Capital Cities for a show at Pacific Amphitheatre in Costa Mesa on Saturday, July 25. Big Data's Alan Wilkis will pair up with L.A.'s Capital Cities for a show at Pacific Amphitheatre in Costa Mesa on Saturday, July 25. Big Data's Alan Wilkis gets down with the crowd on a side stage at KROQ's annual Weenie Roast y Fiesta at Irvine Meadows Amphitheatre in Irvine back in May. He will pair up with L.A.'s Capital Cities for a show at Pacific Amphitheatre in Costa Mesa on Saturday, July 25. Alan Wilkis, the man behind Big Data, the electronic music project that yielded one of 2014's most infectious alternative dance singles, "Dangerous," can't wait to be back in front of a Southern California audience.