"—but his has a fresh, R&B-inspired twist that makes it a present-day pop masterpiece. In true Bieber fashion, the lyrics are a bit cryptic. "Roller coaster, roller coaster / For a minute we were up, but the next we were falling down," he croons. What—or, um,who Understanding the plight of subjects is crucial to documenting crises, she says. Nima coveredthe Ebola outbreak in Liberia for CNN in 2014 Next, Shadowhunters fans will be treated to two other series set in this universe:The Eldest CursesandThe Last HoursAnd everything will come to a close withThe Wicked Powers and joined her on stage for their first duet performance just a couple months later.