Jennifer Nettles and Kristian Bush formed their country duo Sugarland after years in the fertile Georgia alt-rock scene, and the band's third disc, "Love On the Inside,” is a disc that country and rock fans can agree upon. See Sugarland at Oklahoma State University 's Orange Peel with Motion City Soundtrack, Ashton Shepherd and Kellie Pickler at 6 p.m. Oct. 3 at Gallagher-Iba Arena in Stillwater . Ticket...