Zac Efron's early High School Musical vocals have fans soarin' and flyin' with opinions! LOLz! On Tuesday, a clip started making its rounds on social media that ALLEGEDLY contains Zac's original demo for his 2005 hit movie. Real fans know it wasn't Zac who sang in the actual movie - Canadian actor/singer Drew Seeley provided Troy Bolton's iconic vocals. And, of course, with everything polished and fixed in the movie, it sounded flawless! But now we're getting to hear what's supposedly Zac's voice, not Drew's, for the movie's hit song Get'cha Head In The Game...