Folk rock sensations Mumford & Sons announced on Tuesday that they have finished work on their second album, and should have the record in stores bySeptember 24th, although the date has not been confirmed by the band's label.  The news was reported by a Belgian radio station during the Pinkpop Festival over the weekend, where band member Ben Lovett dropped the date.  Officially, Mumford & Sons revealed a set of four tour dates for August in which the band will visit cities that don't see alot of bands.  Dubbed the "Gentlemen of the Road Stopovers," the set of dates will feature different supporting artists at each stop, including St. Vincent, Gogol Bordello and Dawes.