Great list! May I add to that:
The Treasures of a Slaver's Kingdom Soundtrack. To wit:
Alan Parsons Project - Fall of the House of Usher (Pavane), HyperGammaSpaces
Black Sabbath - Sabbath Bloody Sabbath, Suptertzar
Blue Öyster Cult - Godzilla, Don't Fear the Reaper
Camel - Lunar Sea, Preparation
Cat Stevens - Trouble, Tea for the Tillerman
Cream - Deserted Cities of the Heart, I Feel Free
Creedence Clearwater Revival - Tombstone Shadow, Effigy
Crosby, Stills & Nash - Everybody I Love You, Find the Cost of Freedom
David Bowie - Subterraneans, Moss Garden
Deep Purple - Drifter, Mandrake Root
Dire Straits - Six Blade Knife, Once Upon A Time In The West
Eagles - Bitter Creek, Journey of a Sorcerer
Emerson, Lake & Palmer - Bitches Crystal, A Time and a Place
Frank Zappa - My Guitar Wants to Kill Your Momma, Blessed Relief
Genesis - Dusk, Dancing With the Moonlit Knight
Grand Funk Railroad - Flight of the Pheonix, Got This Thing on the Move
Grateful Dead - China Doll, Black Peter
Heart - Dream of the Archer, Dreamboat Annie
Iron Butterfly - Real Fright, Am I Down
James Gang - Ashes The Rain and I, Got No Time or Trouble
Judas Priest - Exciter, Hell Bent For Leather
Kansas - Magnum Opus, Icarus - Borne on Wings of Steel
King Crimson - Ladies of the Road, Lady of the Dancing Water
Led Zeppelin - What Is And What Should Never Be, Battle of Evermore
Molly Hatchet - Long Time, Dreams I'll Never See
Pink Floyd - Shine On You Crazy Diamond (Parts I-V), Brain Damage
Rick Wakeman - The Last Battle, Catherine of Aragon
Roger McGuinn - It's Alright Ma (I'm Only Bleeding), Ballad of Easy Rider
Rush - A Farewell to Kings, By-Tor & the Snow Dog
Schoolhouse Rock - Verb: That's What's Happening
Stillwater - Fever Dog, Love Comes & Goes
Styx - Castle Walls, Mother Dear
Supertramp - Crime of the Century, Even in the Quietest Moments
Yes - Turn of the Century, Madrigal