New Music It's pioneering Illinois band's improbable third album since 2014 reunion (photo: Alexa Viscius) On its improbable third album since reuniting in 2014 after a 14-year hiatus, American Football isn’t interested in reclaiming youth so much as interrogating what came after it. The Sonny DiPerri-co-produced LP4 (Polyvinyl) doesn’t just revisit the band’s long-established emotional palette – it complicates it, stretching those heart-piercing guitar lattices and murmured confessions into heavier, stranger and, at times, genuinely disorienting realms. After all, emo boys don’t merely cry – they write songs that make everyone else cry too. Here, that impulse often feels like equal parts catharsis and confrontation. Opener “Man Overboard” quickly signals the shift.…