The band Hatebreed is credited with the development of the crossover thrash genre .
They are considered important to the development of metalcore , blending influences from hardcore and punk rock , as well as heavy metal subgenres such as thrash metal and crossover thrash , alongside other bands in the 1990s metallic hardcore scene ( such as Earth Crisis , All Out War , Integrity and Converge ) .Ross Haenfler , Straight Edge : Clean-living Youth , Hardcore Punk , and Social Change .
Hatebreed