>>/8173/ 
You remind me of one angry PMV and... I hadn't achived it! Thanks, here it is to add to the pile. 

> ...but they're just AMVs set to angry music, right? So I went looking for PMVs set to angry music, and found these.

I haven't checked out much from outside a handful of fandoms in animated music videos, but it is interesting how pony was a cultural sponge with all of that stuff as well.