Earlier this year, Justin Bieber posted an earnest Instagram story about his feelings of impostor syndrome, and another describing how he felt like he was “drowning” in pent-up hatred from his past. This, coupled with paparazzi photos over the past few months where Bieber appeared somewhat disheveled, spurred rumors about drug use that his camp quickly shut down. Even so, those rumors briefly escalated after Bieber went live on Instagram late last month, previewing a potential new musical direction seemingly inspired by the sensibilities of SoundCloud rap. The raw-sounding recordings...