The Sky Moves Sideways is the third studio album by British progressive rock band Porcupine Tree, first released in February, 1995. It has been compared by many fans to Pink Floyd's Wish You Were Here because of their similar structure; both albums have extended pieces at the beginning and end. In both albums, these tracks make up both halves of a single song carrying the name of the album. The Sky Moves Sideways was the first Porcupine Tree album to be released in the US, and the first on which Porcupine Tree was actually a band rather than simply a Read more on Last.fm.