New Jersey producer Kastra released a new collaborative track with rapper PKeys titled “Knockout” and simply put its just what the name hints at, a knockout track. This hyphy new joint track oozes with hints of Melbourne bounce and hip-hip [thanks to the lyrics spit by PKeys] and is the perfect song to blast during this USA vs. Portugal soccer game that starts in less then 15 minutes. Epic collab, dope song overall, so listen to “Knockout” below and get familiar with both these dudes.