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 completes iconic ‘Hardwell On Air’ radio series with milestone 500th episode [Stream] Hardwell and Blasterjaxx reassert seat on bigroom’s throne to reawaken long-lost Bootshaus 2017 ID
