Harmonix Music Systems, Inc. 625 Massachusetts Avenue, 2nd Floor Cambridge, MA 02139 General info@harmonixmusic.com Media Relations press@harmonixmusic.com Support Customer support for Rock Band is provided by Electronic Arts. Customer support for Guitar Hero is provided by RedOctane. Support for FreQuency, Amplitude, and EyeToy: AntiGrav are provided by Sony Computer Entertainment America. Support for Karaoke Revolution is provided by Konami Digital Entertainment. However, Harmonix will happily answer questions as best we can. support@harmonixmusic.com Feedback We want to know what you think of our games, so that we can make our next ones even better! feedback@harmonixmusic.com