Original version wasn't available, so I'm listening to the 2023 remaster on Apple Music with Dolby Atmos(although I remember listening to a vinyl copy as a young child on my dad's hi-fi). Beautiful vocals underpin a guided tour through a variety of sounds. Where I criticised extraneous noises included in Outkast's album a couple of days ago, they accentuate here a change in track, change in theme, change in tempo, which otherwise is part of a continuous flow from start to end. It also doesn't feel quite as pretentious, just experimental. The segue track between 'Breathe' and 'Time', called 'On the Run' features some vocal samples, some risers, and an arpeggiated synth driving the album forwards, and while clearly being an interstitial piece between the two, it has merit in its own right. An 'album' in the traditional sense, not a collection of tracks, it only works in order. Overall, an absolute masterpiece. No surprise that it is a timeless classic.