Harthouse was founded in 1991 by Heinz Roth (and Matthias Hoffmann (Brainchild) & Sven Väth) in Frankfurt. Harthouse is a German record label specializing in techno music; during the early 1990s it was one of the biggest labels in the "techno-trance" scene that was the precursor to modern trance music. The label has been responsible for many success stories in the electronic world including Oliver Lieb, Eternal Basement, Hardfloor, Sven Väth and Koxbox.