August 26, 2015 12:15 PM EDT

During Cosmopolitan UK‘s interview with Zac Efron, Emily Ratajkowski and Max Joseph, who are promoting their upcoming film We Are Your Friends, Efron fails to recognize “Breaking Free,” a song he sings with Vanessa Hudgens in the 2006 movie High School Musical. You know, that movie that made him famous?

The interviewer tests their music trivia abilities by playing different hits and asking them to guess the name. And around the 1:07 mark, when the High School Musical single comes on, Efron goes blank. Joseph makes the moment even more humiliating by asking the young star, “Is that your voice?”

Here’s the full song:

We Are Your Friends comes out August 28.


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