<p>These dudes are AMAZING. I wish we could do this in my choir but our boys aren't this good.</p>
<p>LOL I wonder how long it took them to get that correct/ remember it all.</p>
<p>Probably not too long if you're used to doing stuff like that. </p>
<p>You'd be surprised how quickly a really good group of singers can learn something like that.</p>