Uncle Earl is an American old-time music group, formed in 2000 by KC Groves and Jo Serrapere. They are an all-women-band and often they refer to themselves as the g'Earls. Their fans have also been nicknamed as g'Earlfriends. They have released three albums and two EPs, and tour regularly. Their fifth album Waterloo, Tennessee was produced by John Paul Jones of Led Zeppelin.