“Musicians have been puzzling for decades over how to follow a career-making, record-breaking LP. With Motion, the successor to 2012's 18 Months and its nine U.K. Top 10 singles, Calvin Harris offers a simple solution: Do it again. Sure, the grime cameos that gave the earlier album some unexpected muscle are gone, and there are some new synth textures – but even here, Harris is updating his EDM tem”