Listen all this week to win passes to The Loop premiere of High School Musical 3: Senior Year on Wednesday October 22nd! Disney’s “High School Musical” phenomenon leaps onto the big screen in High School Musical 3, in which America’s favorite high school students (Zac Efron, Vanessa Hudgens, Ashley Tisdale and Corbin Bleu) hit their senior year. High School Musical 3: Senior Year hits theatres on Friday, October 24th. Rated G.