The musical competition has been with us for a long, long time, but "American Idol" took the form to a whole new level, reaching highs and lows never seen before. The show is about to air its final season, but over the course of 15 years, its phenomenal popularity has inspired a host of TV shows, movies and real life competitions, like a high school choir sing-off going on right now in the San Francisco Bay Area. And your vote could determine who wins.
Bay Area High School Choirs Face Off in 'American Idol'-Style Sing-Off
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