Oliver Heldens' HI-LO alias is recognized for his deepest and darkest techno records, with notable 2020 tracks like 'Zeus' and 'Kronos' earning top 10 positions among the most supported techno tracks on 1001tracklists. The success of these releases contributed to Oliver being named the #1 most supported dance artist platform-wide. In 2021, HI-LO continued his momentum with a remix for Nina Kraviz and an EP on Drumcode titled 'Hypnos,' solidifying his position as a techno mainstay with widespread support from industry heavyweights.