Biker metal
Biker metal ( also known as biker punk ) is a fusion genre that combines elements of punk rock , heavy metal , rock and roll and blues , that was pioneered in the late-1970s to early-1980s in England and the United States , by Motörhead , Plasmatics , Anti-Nowhere League and Girlschool . 
<triplet> Girlschool <subj> heavy metal <obj> genre