Does Zac Efron sing in GF Vanessa Hudgens' song Vulnerable?!

Question: Does Zac Efron sing in GF Vanessa Hudgens' song Vulnerable!?

For some reason it sounds like Zac is in it!. If anybody knows please let me know!.Www@Enter-QA@Com

Answers:

no it's rock mafiaWww@Enter-QA@Com

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