Major Lazer's recent single "Jah No Partial," a collaboration with EDM dude Flux Pavilion, is a weird but exhilarating collision between arena-dubstep and old-school reggae. And its brand-new video shows Diplo and friends on the road, bringing their ridiculously fun live show to festivals across the world. (Belgium, we learn, goes off.) Water cannons blast, dancers do impossibly funky shit, ...