Concrete Djz, first Serbian hard techno organisation making world wide apperance. They've got into electronic music in 2000.and came to an idea to form one group of 4 as the Concrete Dj'z was Formed in 2003. by residents of club Akademija. Responsible for numerous organized parties in Serbia
in the period of 2003 – 2007 in Belgrade. Their sets could be heard on events like EXIT festival Serbia, Ovo je Moj Grad MTV festival Serbia, Dance industry studios London, The orange peel Wales, Nightgrooves Croatia, Proactive Montenegro.
As producers they have released music on labels like Mastertraxx, Betamax, Blackoutaudio, Submissions, Damaged Trax, Polymeric, Hardsignal, Tidy trax, Beast Music, Compound, Toolterror, Cardiac Arrest..
During their period as dj's they have also performed with: Mark EG, Dave the Drummer, Chris Liberator, CJ Bolland, DJ Ogi, Dj Murphy, Distek, Lars Klein, Kay D Smith, DJ Mika, Slobodan Racki, tt, Lusinda, Brenda Russell, Ivee, Jim Masters, Charlton. They are also sucsessfuly running their radio show Beton, and their own label Armatura Records.