Olivier J. L. Heldens (born 1 February 1995) better known by his stage name Oliver Heldens is a Dutch DJ and electronic music producer from Rotterdam. His 2013 song "Gecko" caught the attention of fellow Dutch DJ Tiësto, who signed him to his label, Musical Freedom, and released the track with vocals from British singer Becky Hill on 23 June 2014. Heldens also has a weekly podcast titled Heldeep Radio, which has been ongoing for over 2 years.
In 2015, he began producing bass house songs under the alias HI-LO, which comes from 'Oli H' in reversed form. Under his alias, Heldens produced three singles titled "Crank It Up", "Renegade Mastah" and "Wappy Flirt", releasing the latter two on his label Heldeep Records. In January 2014, Heldens launched his Heldeep Mixtape on his official SoundCloud page, creating extended mixes which incorporate various genres of electronic music including different types of deep house and tech house. The first mixtape included his remix of fellow Spinnin' Records signee Martin Garrix's "Animals". In March 2014, Heldens also released a remix of Robin Thicke's "Feel Good". Heldens entered the DJ Mag Top 100 of 2014, making his debut at number 34. In December 2014, he performed an Essential Mix on BBC Radio 1; from British radio DJ Pete Tong named him "one of the breakthrough producers of the year".
Heldens began his professional music career when he signed to Spinnin' Records in 2013. His first releases on the label included the songs "Stinger" and "Thumper", which features DJ Jacob van Hage. Later collaborations included "Panther" with 'Robby East' which was released on the Oxygen label on 2 December 2013. The single "Gecko" was released in the same month on Tiesto's Musical Freedom record label. The song peaked at number 1 on the DMC Magazine Buzz Chart and was named "Essential New Tune" by BBC's Pete Tong on 31 January 2014.
"Koala" became the second-most popular searched dance recording from the 2014 Amsterdam Dance Event on music recognition app Shazam. He achieved 12th place in the DJ Mag Top 100 2015, making him the highest ranked house DJ on the list.
The end of July, the HI-LO song "Renegade Mastah" was the first track to be released on Oliver's label "Heldeep Records". However, it was revealed that HI-LO was Heldens in a later interview to the UKF blog, who used the label to launch the HI-LO project. The title of the HI-LO project was chosen as a palindrome for Oli-H, to signify Oliver Heldens. The HI-LO tracks "Crank It Up", "Wappy Flirt" and "Ooh La La" have been released since then, with the single "Scrub the Ground" by Chocolate Puma and Tommie Sunshine additionally released on Heldeep Records in October. Heldeep Records also released A track by Mr. Belt & Wezol and Shermanology called "Hide & Seek" as well as another track by Bougenvilla & Out Of Cookies called "Break It Down" on 25 April 2016.
A new EP titled "Heldeep Talent EP" was released 23 November 2015 including the songs: "I Can't Stop" by Death Ray Shake, "Hookah" by Bojac, "Slip Away" by Niko The Kid and "Fall Under Skies" by Jonas Aden & Robby East. Since then Oliver released "Heldeep Talent EP Part 2" on 21 March 2016 Featuring three tracks: "Get Busy" by Steff Da Campo, "Lethal" by NOVKA and "Mirrors feat. Stevyn by Tom Budin and Stevyn.
"Waiting", an Oliver Heldens and Throttle collaboration, was released on Heldeep Records on 7 January 2016. The label also released "Space Sheep," a collaboration between label owner Oliver Heldens and Chocolate Puma on 2 May 2016.