By Tanner Stransky
Updated May 03, 2009 at 10:56 PM EDT

There’s some debate about whether The Four Seasons frontman Frankie Valli (né Francesco Stephen Castelluccio) turns 72 or 75 today. Those three years probably made a huge difference when he was a teen heartthrob in the ’60s, but now — who cares? Let’s just celebrate Frankie for the delightfully falsetto melodies he (along with his Four Seasons compatriots) brought into the world.

So, Frankie, here’s to you for “Big Girls Don’t Cry.” (I still sing that one to my adult sister when she gets whiny.) And for memorably guesting on The Sopranos as Rusty Millio. And, yes, for inspiring the indomitable Broadway delight Jersey Boys.

In tribute to the birthday boy, please enjoy this 1967 medley of some of the Four Seasons’ biggest hits: “Sherry,” “Big Girls Don’t Cry,” “I’ve Got You Under My Skin,” and “Bye Bye Baby.”