Hardwell turns back time for his fan-dubbed ‘Old School ID,’ now formally ‘Retrograde’ While the wait ensues for Hardwell's eventual return to the main stage, he's officially gifting the 'Old School ID' that was a staple in his sets in 2018. Related Posts: Hardwell’s Revealed Recordings slated for Ultra’s second UMF Radio stage takeover Hardwell frees his final known ID with ‘Go To War’ alongside Suyano
