Martin Garrix resurrects GRX alias on Florian Picasso collaboration, ‘Restart Your Heart’ The final piece to Garrix's Ultra 2019 performance. Related Posts: NUZB perfects his balanced ‘RetroFuture’ EP on STMPD RCRDS with ‘Get It’ Seth Hills cleverly evolves STMPD RCRDS selfhood with Vluarr and Lucas Ariel on ‘Calling Out’