Ars writes: "Does the world need video games that make rock music family-friendly? Should this content be delivered via Lego bricks? In one of the most bizarre examples of cross-promotion in the industry, MTV Games and Traveler's Tales have come together to create Lego Rock Band, a more kid-ready version of the Rock Band series. If alarms are going off in your head, don't worry. It didn't seem like a great idea to us at first, either." -