Smile whilst you're singing!

Thanks to The Deacon's Bench blog for this excellent post. Deacon Greg writes:

...and suddenly everybody did THIS (see below)?

It happened at Macy's last weekend, when 600 members of the Opera Company of Philadelphia, mingling with the other shoppers, unexpectedly burst into the "Hallelujah!" chorus. Just watch and try not to smile.

And of course he's quite correct - watch and smile...