For all his bravura reinvention of soul on songs like “What's Going On,” Marvin Gaye was a reverent student of the genre's pioneers, sculpting his smooth, sensitive delivery in the wake of Sam Cooke and Ben E. King. But he also learned all about emotionally raw R&B from The Miracles and Ray Charles, and the boundary-busting potential of rock ‘n' roll was made loud and clear via the red-hot hustle of Chuck Berry.