In one of the most anticipated pop comebacks of the century, BTS will release their first album in more than five years, Arirang , on March 20. It’s their first album since every member completed mandatory military service in South Korea. The first single, “Swim,” is available for preorder.  The day after the album drops, BTS will perform a free concert at Seoul’s Gwanghwamun Square, livestreamed globally on Netflix, followed by a behind-the-scenes documentary on the same platform. On April 9,