BURBANK, CA (MARKET WIRE) On each episode of "The OC," the popular FOX dramedy about the lives and loves of teens in California's affluent Orange County community, viewers are exposed to emerging indie-rock and pop artists via a vibrant soundtrack punctuating key scenes. In a departure from the five previous "Music From the OC Mix" compilations, the newest one, "OC MIX 6: COVERING OUR TRACKS" will feature "bands who are important