The Raiding the 20th Century Expansion! Last year, DJ Food/Strictly Kev released the awesome Raiding the 20th Century mashup (previously discussed here). A year later, he has released an expanded version. Collaborating with Paul Morely, author of the book Words and Music, the goal was to "make the definitive document on cut up music." Seems to me they succeeded.
Due to the high demand, the direct link has been taken down. Supposedly there is a torrent of it running, but I haven't been able to track it down.