A platinum-selling country duo from Georgia, Sugarland emerged in the mid-2000s with a rousing contemporary approach that relied as much on rock and pop as it did country traditions. Made up of singer/songwriters Jennifer Nettles and Kristian Bush, the group was an almost immediate crossover success on the country and pop charts, hitting number one on both with 2008's Love on the Inside. They later repeated the same feat with their fifth album, 2010's surprising steampunk-inspired The Incredible Machine, which also topped the U.K.'s country chart. Several tours and major perfo...