Is there anywhere better to warm up in winter than at a gathering with all your favorite people? We tend to think not. And, if you’re assembling your friends or family (or both) for an unforgettable party this season, you’ll need the perfect soundtrack to get things started. Look no further than this playlist, which features energizing, of-the-moment tracks that are guaranteed to please your crowd and light up the room (and the dance floor, of course).