Maroon 5 frontman Adam Levine revealed an awkward joke turned instructive moment with one of his musical heroes, Paul McCartney.

I told you I’ve been scared a handful of f**king times in my life. That was definitely one of them,” the Maroon 5 singer admitted to Howard Stern.

Maroon 5 vocalist Adam Levine has reflected on Paul McCartney's reaction to his band covering The Beatles on television more than a decade ago. Levine's comments were made during his recent appearance on The Howard Stern Show,