[1] He is one-half of Industrial Hardcore/Crossbreed duo, The Outside Agency, alongside Eye-D. Wessels has been an active drum & bass and hardcore DJ and producer since 1991.

[2] His music career began in 1996, with the release of The Outside Agency EP on hardcore label Mokum Records.

[9] In addition to his solo releases, Wessels has collaborated with Cooh, Counterstrike, Evol Intent, Forbidden Society.

[15] In the Netherlands, DJ Hidden and Eye-D are frequent guests at prominent underground club nights "PRSPCT"[16][17] and "Smackdown".

[18] Wessels has performed in Australia, Austria, Belarus, Belgium, Czech Republic, England, Estonia, France, Germany, Hungary, Italy, Japan, Lithuania, Latvia, Luxembourg, Poland, Portugal, Romania, Russia, Scotland, Slovakia, Spain, Sweden, Switzerland, Ukraine, Bulgaria and the United States.