“Stagnation, Kevin Morby knows all too well, is just a couple clicks away from comfort. Across three albums and a smattering of singles, Morby's played the seeker, always on the move, careful not to outstay his welcome. Should somewhere else promise something better, Morby's already packed and ready to hit the road. But, “Come to Me Now,” the lead single from his fourth LP, City Music, finds the we”