1. Heavy Pop Punk, EZCrab, whatever you want to call them, Heavyweight is a 5-piece band from San Diego, CA who are reviving Easycore. 2. Heavyweight is a house-music group formed in Finland, most know by their hit song Fireworks. They're a collective of four EDM producers and artists called Rascal, Leo Lotsaless, Mista S and Lovetone 3. Hardcore band from Cleveland featuring members of One Life Crew, Integrity and In Cold Blood. Band currently has a demo from 2004 out on fast break records.