I love the theme to Mad Men, otherwise known as “A Beautiful Mine” by RJD2, and so of course when I discovered this terrific mashup of “A Beautiful Mine” and the classic “Nature Boy” by Nat King Cole, I was just over the moon with delight. Listen to that Allison Williams sing! Somehow, even though this is two songs smashed together, it still maintains the tone of the show. I’d like to shake the hand of whoever came up with this idea.