DJ Frontliner , pseudonym of Barry Drooger , is a Dutch hardstyle disc jockey from Amsterdam .
He started producing in 2005 under the name Abject. At the end of 2006 he worked on the Headhunterz project by Willem Rebergen. His work comes out on Keep It Up Music , the label founded by Frontliner in June 2012.
Frontliner was at Defqon.1 , Decibel Outdoor , Qlimax , Reverze , In Qontrol and a number of other major hard dance parties .
In 2010, Frontliner made the anthem for the Q-dance festival In Qontrol , called Save.Exit.Planet. The following year, in 2011, he made the anthem for the Reverze festival with the title "Call of the Visionary". In 2012 he made one of the 7 anthems of Q-base, "Symbols", and in 2013 the anthem for Defqon.1 with the title "Weekend Warriors".