 His first releases on the label included the songs "Stinger" and "Thumper", which features DJ Jacob van Hage.Heldens' 2013 song "Gecko" caught the attention of fellow Dutch DJ Tiësto, who signed the song to his label, Musical Freedom, and later released a vocal version through Warner Music Group's FFRR with British singer Becky Hill on 23 June 2014 as "Gecko (Overdrive)".The song peaked at number 1 on the UK Top 40 chart in June 2014, was named "Essential New Tune" by BBC's Pete Tong on 31 January 2014, and DJs including David Guetta, Martin Garrix, and Zedd began supporting it.