I give you : The cupsize choir

<EMBED height=385 type=application/x-shockwave-flash width=640 src=http://www.youtube.com/v/Q5wNafq4v-E?fs=1&hl=en_US allowfullscreen="true" allowscriptaccess="always"></EMBED>

And it is also interactive

http://www.cupsizechoir.com/?k=1