from the punk scene and later became three of the most commercially successful bands in Germany. Hamburger Schule Hamburger Schule (School of Hamburg) is an underground music-movement that started at the late 1980s and was still active until around the mid 1990s. Neue Deutsche Härte (New German Hardness) Since the early 1990s bands like Rammstein, Eisbrecher, Wutbürger, KMFDM, Oomph!, Tanzwut, Liquido and Megaherz developed this kind of Rock music as a mixture of rock, heavy metal and electronic music. Medieval metal Medieval metal or medieval rock is a subgenre of folk metal that blends hard rock or heavy metal music with medieval folk music. Rock Rock music by country