Rapcore's a subgenre of rap rock fusing vocal and sometimes instrumental elements of hip hop with punk rock, often hardcore punk. Rapcore shares traits with rap rock and rap metal, and music often overlaps between the categories. These styles became the basis for nu metal. History Rapcore originated from rap rock, a genre fusing vocal and instrumental elements of hip hop with rock. Beastie Boys, formerly a hardcore punk group, began working in the hip hop genre. Their debut album, Licensed to I… (More on Rapcore)