Sugarland is an American country music duo composed of singer-songwriters Jennifer Nettles (lead vocals) and Kristian Bush (background vocals, mandolin, acoustic guitar). Sugarland was founded in 2003 by Bush and Nettles, along with original member Kristen Hall (background vocals, guitar), who left in 2005 for a solo career. Prior to the inception of Sugarland, all three members had been members of various folk rock groups. Bush, additionally, was once one-half of the duo Billy Pilgrim, which recorded for Atlantic Records in the 1990s.