In the Region of the Summer Stars, by The Enid (1975/2001): The Enid are an English band that got going right as prog started to dwindle off in the mid 1970s. All instrumental, their music is firmly in the symphonic prog vein, protestations to the contrary notwithstanding. Some of the arrangements do lean more towards "classical music played by a rock band" than, say, Genesis or Yes, but it's prog nonetheless. I'm not certain that the original release of this, their debut album, has ever seen the light of day on CD. This version, which includes new recordings of the old material (as well as bonus tracks, of course), was put together in 2001. I'm not sure if that was done out of a desire to improve things or as some sort of legal trick.