I seem to recall a Sesame Street sketch back in the 80s in the live-action people appeared hatless. It really freaked me out. But no, really, the sketch featured Muppets dancing around a crowded, dangerous city street, partially under construction to the tune of "The Safety Dance", by the band "Men Without Hats". Very large letters were being hauled upwards on cranes. I believe the vocals might not have been the original artist, and the words might have been altered. Any links, recollections, or informations? I looked through Muppet wiki, but nothing came up in the search, and the list of songs is just hudge. Uh, yeah, I said hudge, why do you ask?