You can tell how much Lewis Watson has changed by his hair. Gone is the heavy, forward-swept fringe that was his trademark in his teens, when he was signed on the strength of a single, self-released EP and wrote much of his acclaimed debut album, 2014’s The Morning. In its place are long locks he recently dyed from dark to white – not to shock, but in part to signal a new start. “I’ve always wanted white hair,” says Lewis. “So I thought, why not? I’m finally in a position to make my own decisions, and not just about my music. The biggest change I’ve made is taking control of my career.