We've featured mashups a few times before on YBNBY, and if you're a fan, head over to the website of Aggro1, where he's posted MP3s of his entire opus for free download. You have to navigate through a couple of screens to get the files, but it's worth the effort.
Stumble This
Reddit!
Always loved Aggro1
AGGRO1 ROCKS! Still can't believe he posted his entire collection, but we're thankful he did.