Hawkwind Space Ritual, brilliant (if mad) Album and the Sleeves & Inserts matched it.
Sorry this is a Wikipedia Quote but it is absolutely accurate...
The sleeve was designed by Barney Bubbles and came in 3x2 panel foldout, the outer 6 panels being colour, the inner 6 panels being...
Terrible cliché but you can't really avoid The Dark Side of the Moon. Starts with Birth, ends with Death with an almost seamless transition between the songs.
Personally I don't like Money but Us and Them is sublime...