Largely due to The Muppets and other inscrutable factors, I was berated by the "Mahna Mahna" song all Thanksgiving weekend. Someone whispered to me that this song was originally from a Swedish Italian softcore porn flick called Heaven and Hell—and lo and behold! Someone was right! From Slate:

In the tradition of the shocking, factually questionable Mondo Cane, Heaven and Hell was styled as a documentary about Scandinavian sexuality, which provided a thin veneer of respectability for its leering exploration of lesbian nightclubs and meter maids who moonlight as nude models.

That sounds totes hot, yes? TOTES NO. It's freaking BORING, as this completely SFW clip from the movie featuring the original "Mahna Mahna" song will attest.

SNORE!!! More on the history of "Mahna Mahna" here!