oh, you must mean this one..

http://www.freep.com/article/20090122/COL27/901220379?imw=Y

made in Detroit

http://latimesblogs.latimes.com/alltherage/2009/01/inaugural-hat-t.html

(music content:)
we used to sing a song about a hat:

my hat it has 3 corners
3 corners has my hat
and had it not 3 corners
it would not be my hat..

then we would repeat it and each time
put in a motion instead of a word.