Crossover thrash is a fusion genre of thrash metal and hardcore punk. The genre emerged in the mid-1980s, when hardcore punk bands, such as Suicidal Tendencies, Cryptic Slaughter, Corrosion of Conform
Discharge, an early band to merge punk rock and heavy metal, influencing many pioneering thrash metal groups
Mike Muir, frontman of crossover thrash band Suicidal Tendencies, who are often referred to as pioneers of the genre