"Actors Zac Efron, as basketball star Troy, left, and Vanessa Anne Hudgens, as the shy academic Gabriella, discover they share a passion for singing in a scene from ""High School Musical,"" in this undated photo released by the Disney Channel. When ""High School Musical"" debuted on the Disney Channel on Jan. 20, 2006, it drew nearly 8 million viewers, making it the top-rated basic cable TV show that week. (AP Photo/Disney Channel)"
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