Jennifer Hudson sings the National Anthem in the opening moments of day 4 of the convention
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/stevebott/">Steve Bott</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/stevebott/2812448996/">National Anthem - Flickr</a>