There are plenty of these around youtube and you've probably watched this or read the "real thing" at ff.net
In my opinion this is one of the-BEST- dramatic readings on youtube, not only does the guy only crack when it is fatalistic to do so, his voice is pleasant as well.
This is just chapter 17 but by listening to it you can see the amount of wow and fail. There is no way this wasn't unitentional.

WITH BIG BOBS AND EVERYTHING, and ''Dumblydore's'' Avril Lavigne robe are just wow.