SEOUL, South Korea — K-pop megastars BTS released a new album Friday billed as reflecting the maturing boy band’s Korean roots and identity, as buzz built ahead of their open-air comeback concert in the heart of Seoul. The Saturday night gig, which is expected to draw around 260,000 people, will be BTS’s first after a hiatus of almost four years while all seven members served compulsory military service. It comes ahead of an 82-date world tour. READ: What’s behind the BTS comeback? The dark side of K-pop “We gave deep thought to our identity — and how best to express […]... Keep on reading: New BTS album drops ahead of comeback mega-gig