swiped from a locked post, so i won't say whose, but i love this:
http://www.youtube.com/v/wp_RHnQ-jgU?version=3 what i love best is all the people who aren't wearing big buttons, which i think are the things that identify the members of the choruses, who are singing along.
there is nothing like singing the "hallelujah chorus" with hundreds of other people.