High School Musical: Zac Efron’s voice compared to Drew Seeley’s

High School Musical but it Sounds Realistic

How to Lip Sync to High School Musical by Ashley Tisdale and Zac Efron

"Bet On It" from HSM2 but with real sounds

"Start of Something New" with Zac singing as Troy!

moments in hsm where you can hear zac efron's vocals

Bad Lip Reading and Disney XD Present: High School Musical | Disney XD

Vanessa Hudgens, Zac Efron - Gotta Go My Own Way (From "High School Musical 2"/Sing-Along)

Troy, Gabriella - Start of Something New (From "High School Musical")

Zac Efron vs Drew Seeley

The HSM Cast's Original Auditions! | High School Musical 10 Year Reunion | Disney Channel

Disney tried to get away with THIS in High School Musical 2😂

Sean Rocks 'Bet on It'

Drew Seeley opens up about singing for Zac Efron in ‘High School Musical’

Vanessa Hudgens drowning at the end of HSM2 😔 💔

Did Zac Efron sing in high school musical?

Zac Efron Surprises Vanessa Hudgens on The Toonight Show!

Taylor Swift and Zac Efron Sing a Duet!

High School Musical 3 - The Boys Are Back (Official Music Video) 4k

Drew Seeley, Vanessa Hudgens - Breaking Free (From "High School Musical: The Concert")