The Band Perry will help close the Merriweather Post Pavilion season on Sunday. (Marvin Joseph/TWP)

Nearly three months later, they’re still more than a month from home. See how far they’ve come when they perform at WPOC’s annual “Sunday in the Country” concert at Merriweather this weekend — and read our August feature story about their rapid ascent, their sibling chemistry and their love of “Lemony Snicket” right here.