Australian electronic dance music production duo Nervo consists of twin sisters Miriam and Olivia Nervo. As teenagers, they worked as models but opted to focus on songwriting and production. Their first credits of note came in 2005 through Rachel Stevens' "Negotiate with Love," a single that peaked at number 10 in the U.K. A few years later, they co-wrote David Guetta and Kelly Rowland's "When Love Takes Over," which topped Billboard's U.S. club chart, as well as the main pop charts of several European and Scandinavian countries. It was nominated for a 2009 Grammy in the categ...