It seems that everywhere you turn, Jay-Z's ode to New York, 'Empire State of Mind,' is being played at top volume, not just by fans but also by Jay-Z himself. The rap star performed it with Alicia Keys at Game 2 of the World Series at Yankee Stadium last month, and used it to close out the NYC-based MTV Video Music Awards. What's more, Bono introduced him as "the Mayor of New York" when he ...

Those synchronized dance moves, color-coordinated outfits, four-part harmonies and emotive solos -- who does them better than boy bands? With the Backstreet Boys (photo, left) in the midst of a "comeback" tour and Robbie Williams' recent announcement that he plans to perform again with Take That (photo, right), we thought it only fitting to find out what their contemporary boy bands have been up ...