This Belgian-Rwandan dynamo's music is situated at the intersection of hip-hop, pop and EDM. But when you trace back the steps he took to get there, you wind up at some unlikely starting points. It's no surprise that Stromae bows before dance-floor deities from Technotronic to Major Lazer, but dig deeper and you'll hear echoes of Buena Vista Social Club's Cuban groove and the dramatic balladry of Jacques Brel.