There aren't many tracks that hit home both emotionally and on the dance floor, but Russian producers Denis First & Reznikov have mastered the art of that complexity on their new single "Empty." Featuring groovy yet haunting melodies and a futuristic but progressive bassline, the track fuses these contrasting elements with soulful vocals that evoke a lonesome, wistful feeling. "Empty" conjures images of long solo drives through the dark, empty...