Exploring a genre: Indie Folk

Sources - https://en.wikipedia.org/wiki/Indie_folk
                http://www.billboard.com/artist/326708/passenger/biography
                https://en.wikipedia.org/wiki/Lauren_Aquilina
                https://en.wikipedia.org/wiki/Gabrielle_Aplin
                https://en.wikipedia.org/wiki/Mumford_%26_Sons