Franktown Rocks (http://www.franktownrocks.com/)

Praised by Parents magazine as one of the "best of the next generation" of junior social networks, this site is safe, educational, and a crowd-pleaser. While some of the videos posted are kind of choppy and dull and the games could be more challenging, it's not really about the games and videos here. The Franktown virtual world is cute and safe. Yet the music selection is the big draw -- hip enough to grab tweens' attention while diverse enough to sprinkle in some encouraging music appreciation lessons.