Earlier today on BBC Radio 1, Grizzly Bear unveiled "Yet Again," a second track from their upcoming album, Shields. The band are set to perform later this month on The Colbert Report, for the show's StePhest Colbchella RocktAugustfest, and they'll set out on an international tour in the fall; see a full schedule of dates here. Shields is due out September 18th on Warp.