HIGH SCHOOL MUSICAL-Disney Channel Original Movie "High School Musical" tells the story of two high school students - Troy (Zac Efron), a popular basketball player and Gabriella (Vanessa Anne Hudgens), a shy, brainy newcomer - who share a secret passion for singing. When these two seemingly polar opposites decide to join forces and go out for the lead roles in the school musical, it wreaks havoc on East High's rigid social order. But by defying expectations and pursuing their dreams, Troy and Gabriella inspire other students to go public with some surprising hidden talents of their own. "High School Musical" premieres FRIDAY, JANUARY 20 (8:00 p.m., ET/PT) on Disney Channel. (DISNEY CHANNEL/FRED HAYES)