Little Big Town stopped by the Vevo performance studio in New York City for an intimate performance of their new single, “Over Drinking.” The twangy tune features LBT’s Karen Fairchild on lead vocals as Kimberly Schlapman harmonizes, while Jimi Westbrook and Phillip Sweet provide guitar accompaniment. Penned by Jesse Frasure, Cary Barlowe, Hillary Lindsey, Ashley…