If you are looking for the once-bearded, bowtied blokes that made folk music cool again in 2010, then you will be a “Hopeless Wanderer,” because Mumford and Sons’ new album, “Delta,” is a brave departure from the Mumford of old. The 14-song alternative rock album displays the band’s new...

With just days to go before the release of their latest album, titled “Delta,” which releases on Nov. 16, it is only appropriate to look back at the short yet impressive discography of popular folk band Mumford and Sons. Along with the likes of The Avett Brothers, the Lumineers and Of Monsters...