There may be little that is musically authentic about RBD, a prefabricated pop/rock act that was initiated on television, yet the group of Mexican teens achieved astounding commercial success, quickly becoming a multilingual pop culture juggernaut whose market impact stretched from Brazil to the United States. The group is comprised of six youths, three of them boys, three girls -- Alfonso Herrera, Christian Chávez, Dulce María, Maite Perroni, Christopher Uckermann, and Anahí Portilla -- all of them telegenic, able actors, and physically fit to perfection, each with a uniquely fashionable look. They're like a supergroup comprised of both Spice Girls and Backstreet Boys -- manufactured for optimal appeal, no doubt, and forcefully marketed across a range of entertainment mediums, television above all. In fact, music came second for the group, who began as the cast of a prime-time telenovela, Rebelde. The show proved so popular throughout Latin A...