King Crimson, “In the Court of the Crimson King”
https://www.youtube.com/watch?v=gUn31BPHbPA&list=PL6EF2S3Df_QmjYhL7Mnty5fD-xLpwLrR9
Pink Floyd, “Shine on You Crazy Diamond”
Jethro Tull, “A Passion Play”
Yes, “Close to the Edge”
Genesis, “Watcher of the Skies”
Rush, “2112”
Camel: “The Snow Goose”
The Alan Parsons Project: “I Robot”
Egg: “Long Piece No. 3”
Emerson, Lake & Palmer: “The Endless Enigma”
