The Birdy Bra advertisement has song lyrics!
http://www.hensaver.com/Crop-Bra.html
Here are the lyrics. Pretty weird!
♫ ♫ I'm a model you know what I mean
And I do my little turn on the birdwalk...
Yeah on the birdwalk, on the birdwalk yeah
I do my little turn on the birdwalk...
I'm too...