“It's simple enough, though it takes a bit, to trace English vocalist Laura Welsh's career through the years. Since 2010, she's gone by Laura and the Tears, then Hey Laura, and lately by her full name, performing the kind of piano-driven blues pop with soulful vocals that's reminiscent of Adele. "Unravel," her latest, bears little risk of drawing such comparisons. It's far more muted and less bras”