Gamasutra: Harmonix's Dornbrook & Sussman Tell All
- Interview with Harmonix COO Mike Dornbrook and producer Daniel Sussman about the company and its future projects. By Brandon Sheffield.
- http://www.gamasutra.com/php-bin/news_index.php?story=12825

GameCritics.com: Inteview with Alex Rigopulos
- Interview with one of the creators of Frequency, Amplitude, and Karaoke Revolution. By David Stone.
- http://www.gamecritics.com/feature/interview/rigopulos/page01.php

Freq.com
- Offers commentary on the company's activities, forums, and links.
- http://www.freq.com

Blog of Booth
- Personal blog of Jason Booth, one of the company's developers. Offers insights on the company's activities, and articles about game development.
- http://jbooth.blogspot.com/

The Boston Phoenix: Games People Play
- Special feature about the company, with a look at its history and its plans for the future. By Camille Dodero.
- http://bostonphoenix.com/boston/news_features/top/features/documents/04669652.asp

Harmonix Music System
- Official site. Contains information about the company, its games, and available job positions.
- http://www.harmonixmusic.com/