About Little Big Town

Little Big Town is an American country music vocal group from Nashville, Tennessee. Founded in 1998, the group has had the same four members since its founding: Karen Fairchild, Kimberly Schlapman, Phillip Sweet, and Jimi Westbrook. Fairchild and Westbrook have been married to each other since 2006. Little Big Town's musical style relies heavily on four-part vocal harmonies, with all four members alternating as lead vocalists.

From Wikipedia