This is Pink Floyds first big post- Barret album. And it rocks!The music showed Pink Floyd at a time when they all wrote songs together and weren't led by soully by Roger Waters (Make someone who knows nothing about pink floyd listen to this and then The Final Cut and see if they can tell it is the same band). The music is excellent (I can't believe anyone was shallow enough to give it 1 star) and there is no filler (unlike the wall). The concept (insanity to be very basic) and music are good enough to make you want to go insane yourself.To top it off it ends perfectly with Eclipse.(note: if you have never synchronised this with wizard of oz and you are curious start playing at the third roar of the MGM lion. There are some neat coincidences. Or are they coincidences?)