Dutch gabber/hardcore collective. The "G" refers to their hometown Groningen (NL).

Richard Jonkman (Dj Crossbone) and Eelke Kalberg (Dj Mad-E-Fact) founded G-Town Madness in 1992. They were also the original producers.
G-Town Madness was well known for their powerful live performances. They travelled the world and performed at all major venues like Thunderdome, Defqon, Dominator
and many more. Most productions were made by Kalberg & Jonkman, although Dj The Viper and Dj Isaac also joined on several releases.
Members of the group have changed throughout the years. Nowadays G-Town Madness is a dj-act and performances are mostly done by Rogier Smid (Triple Six) and Raymond Siegers (DJ Razor).
Once and a while the producers and Kasper Katje (former MC) join in on special occasions.