So many...
RUSH: Red Barchetta, Xanadu, 2112
Emerson, Lake, and Palmer: Pirates, Lucky Man
ASIA: Sole Survivor, Ride Easy
Blue Oyster Cult: Don’t Fear the Reaper, The Marshall Plan
YES: South Side of the Sky
King Crimson: Fallen Angel, Easy Money, One More Red Nightmare
I would add to your Rush list “Cygnus X-1”
ELP Pirates they could make a movie out of!
How about BOC Then Came the Last Days of May, from their first lp?
RUSH: Red Barchetta, Xanadu, 2112
Emerson, Lake, and Palmer: Pirates, Lucky Man
ASIA: Sole Survivor, Ride Easy
Blue Oyster Cult: Don’t Fear the Reaper, The Marshall Plan
YES: South Side of the Sky
King Crimson: Fallen Angel, Easy Money, One More Red Nightmare
Rush: Subdivisions
ELP: Karn Evil 9
Pink Floyd: Shine On You Crazy Diamond (Syd Barrett)
Yes: Machine Messiah, Awaken
King Crimson: Epitaph
Jethro Tull: Thick As A Brick
Genesis: Supper’s Ready, In The Cage
Kansas: The Wall, Icarus, Borderline
Frank Zappa: Don’t Eat the Yellow Snow
Nice picks! South Side of the Sky is my favorite Yes song. Only saw it live once...as a tour-ending encore while backup band Gryphon came onstage one by one to jam along. (1974? One month tour to intro Relayer and Patrick Moraz, saw first and last shows)