Mumford and Sons' song "Little Lion Man" is a very popular on 88Nine RadioMilwaukee. The band will be performing at The Riverside Theater on October 30th. Two Milwaukee natives have decided to collaborate and cover the Mumford and Sons song. Grace Weber who is singer/songwriter now based in New York and Jeanna Salzer from the Jeanna Salzer Trio released this beautiful video of them covering "Little Lion Man". The video is part of a series called The Duet Series.