Like his pals in Mumford & Sons, Johnny Flynn is a whirlwind of Brit-folk whimsy and foot-stomping. His latest record, Been Listening, is charmingly literary, from the delicately funky opener, “Kentucky Pill,” to the horn-tinged closer, “The Prizefighter And The Heiress.” Flynn duets with singer-songwriter Laura Marling on “The Water,” a modern murder ballad done with absolute heartbreaking precision. It’s worth noting, maybe, that Flynn’s not all that hard on the eyes, either. He’s the new face of Burberry’s spring ad campaign and has the starring role in a hazily filmed and mumbly acted British coming-of-age film Lotus Eaters, which just premièred at the Tribeca Film Festival. The phrase “one to watch” is an awkward one, but it might just apply here.