July 25, 2012 3:00 AM

Social media grow fan base for barrage of boy bands

Acts such as Big Time Rush, which headlines a show Friday at the Sprint Center, are just part of a larger class of boy bands, the popularity of which has risen over the past year or two with dramatic speed. “The fans’ passion is there much earlier than it used to be,” says Ernest Martinez of Radio Disney. “Fans have way more access to bands and music than they used to.”

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