Mumford & Sons have announced that their second album will be titled 'Babel' and that it will be released in September. 　　The album, which is the follow-up to the quartet's hugely successful debut 'Sigh No More', will be released on September 24. 　　 A number of the tracks, including 'Lover's Eyes' and 'Ghosts That We Knew', have been debuted in the band's live shows throughout their recent tours.