It's only appropriate that a collaboration between Future and The Weeknd (produced by MetroBoomin nonetheless) be our final Song of The Year. These guys have owned 2015. There's really not even much that needs to be said about this song. It's just the final piece (maybe) to a fantastic year for all three of them. Particularly with Future, it's interesting to see how quickly it became an unpopular opinion to dislike him, previously just the opposite. Trends really do influence subjectivity.