Zac Efron And Conan Sing The Beach Boys' "Barbara Ann"

After Zac had finished telling a story about how he and his high school friends used to sing Beach Boys tunes on the streets of France -- as normal high school kids do -- Conan prompted him to break out into an impromptu rendition of "Barbara Ann" promising himself and La Bamba as backup. Surprisingly, it wasn't even bad!

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