Vermont folk musician Moira Smiley spreads her sound across the state this week. On Friday, she hits the stage for Burlington City Arts' Summer Concert Series. Come Sunday, she highlights songs from her new album in a concert with the Rhizome Project string quartet to honor 25 years of folk performances at the historic Old West Church in Calais. Singer Deb Flanders organizes the annual concerts to honor her great-aunt Helen Hartness Flanders, a musicologist who collected more than 4,800 recordings of New England folk songs and ballads while working for the Vermont Commission on Country Life. Proceeds benefit Young Tradition Vermont and Vermont Folklife.