Harmonix Music Systems, Inc., doing business as Harmonix, is an American video game developer company based in Boston, Massachusetts. The company was established in May 1995 by Alex Rigopulos and Eran Egozy. Harmonix is perhaps best known as being the developer of music video games series Dance Central and Rock Band, as well as being the original developer and creator of the Guitar Hero series before development moved to Neversoft and Vicarious Visions.