by Bradley Smith, the author of The Billboard Guide to Progressive Music

The Canon then, in alphabetical order, is as follows:

Algarnas Tradgard-The Garden of the Elks
Jon Anderson-Olias of Sunhillow
Bjornstad/Darling/Rypdal/Christensen-The Sea
Camel-The Snow Goose
Chris and Cosey-Allotropy
Clearlight-Clearlight Symphony
Clearlight-Visions
Cosey Fanni Tutti-Time to Tell
Curved Air-Curved Air Live
Dark-Dark
Deuter-D
Deuter-Aum
Djam Karet-Burning the Hard City
Djam Karet-Suspension and Displacement
Dzyan-Time Machine
Emerald Web-Nocturne/Lights of the Ivory Plains
Emerald Web-Traces of Time
Focus-Moving Waves
Edgar Froese-Aqua
Edgar Froesc-Epsilon in Malaysian Pale
Ron Geesin and Roger Waters-Music from the Body
Genesis-Genesis in Concert 1976 (laser disc)
Gong-Live Etc.
Gotic-Escenes
Gryphon-Red Queen to Gryphon Three

Steve Hackett-Voyage ot the Acolyte
Bo Hansson-Lord of she Rings
Bo Hansson-Attic Thoughts
Hatfield and the North-Hatfield and the North
Hatfield and the North-The Rotters Club
Henry Cow-Western Culture
Steve HilIage-Rainbow Dome Musick
Michael Hoenig-Departure from The Northern Wasteland
In Be Tween Noise-Humming Endlessly in the Hush
Jethro Tull-Thick As a Brick
King Crimson-In the Count of the Crimson King
King Crimson-Lizard
Lightwave-Nachtmusik
Lightwave-Mundus Subterraneous
Annea Lockwood-The Glass World
Annea Lockwood-A Soundmap of the Hudson River
Massacre-Killing Time
John McLaughlin-Devotion
Bill Nelson -Crimsworth
O + A-Resonance
Mike Oldfield-Tubular Bells
Mike Oldfield-Incantations
Mike Oldfield-Exposed
Mike Oldfield-Tubular Bells II-The Performance Live at Edinburgh Castle (laser disc)
Passport-Cross Collaterral
 

Annette Peacock-Sky-skating
Annette Peacock/Paul Bley-Dual Unity
Pink Floyd-The Piper at the Gates of Dawn
Pink Floyd-Ummagumma
Pink Floyd-Pink Floyd at Pompeii (laser disc/VHS)
Pink Floyd-Dark Side of the Moon
Pink Floyd-Animals
Popol Vuh-In the Gardens of Pharao/Aguirre
Popol Vuh-Tantric Songs/Hosianna Mantra
Renaissance-Live at Carnegie Hall
Vicki Richards-Parting the Waters
Terry Riley-A Rainbow in Curved Air
Terje Rypdal-Whenever I Seem to Be Far Away
Terje Rypdal-Odyssey
Terje Rypdal-If Mountains Could Sing
Schicke, Führs and Frohling-The Collected Works of Schicke, Führs and Frohling
Eberhard Schoener-Meditation/Sky Music-Mountain Music
Klaus Schulze-Cyborg
Klaus Schulze-Blackdance
Klaus Schulze-X
Liz Story-Solid Colors
Liz Story Speechless
Liz Story-Escape of the Circus Ponies
Tangerine Dream-Electronic Meditation
Tangerine Dream-Atem
 

Tangerine Dream-Phaedra
Tangerine Dream-Rubycon
Tangerine Dream-Ricochet
Third Ear Band-Alchemy
Third Ear Rand-Third Ear Band
Throbbing Gristle-D.O.A.
Throbbing Gristle-In the Shadow of the Sun
Throbbing Gristle-CD1
Steve Tibbetts-Steve Tibbetts
Steve Tibbetts-Safe Journey
David Torn-Best Laid Plans
David Torn/Mick Karn/Terry Bozzio-Polytown
Voice of Eye-Vespers
Voice of Eye-Transmigration
Kazumi Watanabe-The Spice of Life in Concert (laser disc)
Kit Warkins-Circle
Eberhard Weber-The Colours of Chloe
Eberhard Weber-Fluid Rustle
Eberhard Weber-Later That Evening
White Willow-Ignis Fatuus
Yes-The Yes Album
Yes-Fragile
Yes-Close to the Edge
Yes-Tales from Topographic Oceans
Yes-Live at Q.P.R. Volumes One and Two (laser discs)