Did you know that the Mahna Mahna song was originally composed for an Italian film about sexuality in Sweden? Well, it was. Given how naughty those early Muppets could be, I'm not really at all surprised ;-)
Wonderful or horrible, I can't decide. I'm leaning towards wonderful, in a horrible kind of way. More (yes, there's more!) here. Found via Coilhouse, which is a wonderful blog, sometimes in a horrible kind of way.