Wilder MindWho could blame Mumford & Sons for running away from their signature banjo stomp? Come 2015, when Wilder Mind saw spring release, so many bands had copped their big footed folk jamboree that Mumford & Sons could feel the straitjacket constricting, so it's not a surprise that the group decided to try on something new. Without their old timey affectations, they wind up sounding like handsome AAA rockers with a debt to U2, a group that masters sound over