Premise: Anime Speed is a megamix compilation album of "Dancemania"'s "Speed" series, released by EMI Music Japan in 2005. The album features uptempo cover remixes of popular theme songs for various anime works such as "Dragon Ball Z", "Slam Dunk" and "Neon Genesis Evangelion". The successor, "Anime Speed Newtype Edition", was released in 2006.
Hypothesis: The songs in the album were all written in the same year