A little less than a month after Activision released the highly anticipated “Guitar Hero III: Legends of Rock,” game developer Harmonix swooped down and stole its thunder with “Rock Band.” If the name Harmonix sounds familiar, it should be no surprise as the company developed the first two “Guitar Hero” games, as well as the PS2-exclusive “Guitar Hero Encore: Rocks the 80s,” the “Karaoke Revolution” series, “FreQuency” and its sequel, “Amplitude.” Read more