Trending badgeTrendingPosted 2 hours agoSubscribe to Screen Time NewsletterCaret DownThe "High School Musical" Director Responded To Rumors That Zac Efron Didn't Sing In The MovieThe truth has been revealed.by Larry FitzmauriceBuzzFeed StaffFacebookPinterestLink If you're a certain flavor of millennial, your intro to Zac Efron was most likely through the High School Musical film series as Troy Bolton. (C)Walt Disney Co.