Listen to Part 1 of Hardwell’s 2017 On Air year-end mix Hardwell's wrapping up his weekly radio show, On Air, with part 1 of his year-end mix. Listen now. Related Posts: Hardwell turns back time for his fan-dubbed ‘Old School ID,’ now formally ‘Retrograde’ NMF Roundup: Skrillex drops new EP, Knife Party return + more
