I've only been a fan of this show since last year, so I just learned about the existence of this video yesterday, this looks pretty good for a mid 2000s AMV, lol.
this just gave me a reminder that a good amount of people you see on the internet nowadays were born after youtube was created. let that sink in for a moment.
it is quite possible that there used to be older ones, but sadly a lot of azumanga daioh-related videos were removed from youtube due to copyright claims a few years ago.