After beginnings playing fairly traditional, albeit unusually cerebral hard-edged emo in the ’90s, Omaha’s Cursive began moving in more ambitious directions, recording elaborate song-cycles like 2003’s Ugly Organ, and 2006’s Happy Hollow, an indictment of small-town values and organized religion. After a long hiatus that threatened to become permanent, the band returned reinvigorated for this year’s Mama, I’m Swollen, a more soulful...