Originally Posted by archetypal fool

Is this the right clip?

If it is, then damn. I normally consider myself pretty good at identifying classical music, but in this case I'm stumped. I know I've heard it before, but probably on the radio, and a while back. To be sure, I ran through my collection of symphonies and opera overtures but didn't find anything that sounded like that. You should probably find a classical music enthusiast forum and post the link there to see if anyone knows what it is.