DJ Ab began on it's 15th run as a DJ in a local trendy beach club, a small club who instead offered to some 200 people. Ab also wanted to do his DJ thing somewhere else so responding to a vacature for a DJ to build a new big 1200 persons nightclub in Spijkenisse called Demi-Sec. In september 1989 Ab begins in Demi-Sec Spijkenisse as resident DJ to spin for 1200 outrageous partypeoples till 1993 as Demi-Sec stops. Halfway through the 90 years Ab started a production studio. At this moment DJ Ab playing at different locations in the Netherlands.