Top 20 (alphabetical order)

Armand Schaubroeck Steals - Ratfucker
Arvo Part - Tabula Rasa (ECM)
Can - Delay 1968
Comus - First Utterance
Decayes - Not Yet
Dom - Edge of Time
Exuma - Do Wah Nanny
Funkadelic - Maggot Brain
Joakim Skogsberg - Jola Rota
John Fahey - The Transfiguration of Blind Joe Death
Leonard Cohen - The Songs of…
Love - Forever Changes
Mayo Thompson - Corky's Debt to his Father
Mount Vernon Arts Lab - The Séance at Hobs Lane
Nico - The Marble Index
Pere Ubu - The Modern Dance
Rasaan Roland Kirk - Natural Black Inventions - Root Strata
Shirley & Dolly Collins - For as Many as Will
Sparks - Propaganda
The Incredible String Band - Wee Tam & The Big Huge

The rest (alphabetical order)

Abyssinians - Satta Massagana
Acid Mothers Temple - s/t
Aisha Kandisha's Jarring Effects - El Buya
Alan Stivell - Renaissance de la Harpe Celtique
Alice Coltrane - Transcendence
Alphane Moon/Our Glassie Azoth - Experimenting With an Amen/The Magician's Heavenly Chaos
Andrew King - The Amfortas Wound
Bob Thompson & Doug Snyder - Daily Dance
Brainticket - Cottonwoodhill
Brian Eno - Here Come the Warm Jets
Buffy Saint-Marie - Illuminations
Butthole Surfers - Locust Abortion Technichian
Cabaret Voltaire - The Voice of America
Caetano Veloso - s/t (1969)
Captain Beefheart - Safe as Milk
Coil - Horse Rotorvator
Congos - Heart of the Congos
Current 93 - All the Pretty Little Horses
Dewey Redman Sextet - The Ear of the Behearer
Dodo Resurrection - Nostradamus
Dr. John - Gris Gris
Ensemble Ars Musicae de Barcelona - Catalan Music from Medieval and Renaissance Spain
Exuma - I
Far East Family Band - Nipponjin
Faust - The Faust Tapes
Flipper - Generic Flipper
Gary Wilson - You Think You Really Know Me
Ghost - Temple Stone
Gong - Camembert Electrique
Gorky's Zygotic Mynci - Barafundle
Graham Bond - Holy Magick
Guillame de Machaut - Messe de Nostre Dame
Hawkwind - Space Ritual
Horrific Child - L'etrange M. Whinster
Igor Wakhevitch - Nagual
Jacques Berrocal - Paralleles
John Jacob Niles - American Folk and Gambling Songs
Jon Wayne - Texas Funeral
Jorge Ben - A Tabua De Esmereldas
Kaleidoscope (uk) - Faintly Blowing
Magazine - Real Life
Magnet/Paul Giovanni - The Wicker Man
Moolah - Woe Ye Demon Posessed
My Bloody Valentine - Loveless
Neu! - s/t
New York Dolls - s/t
Nick Cave - The Boatman's Call
Peter Hammill - Nadir's Big Chance
Pink Floyd - Piper at the Gates of Dawn
Psychic TV - Dreams Less Sweet
Roxy Music - For Your Pleasure
Rufus Harley - Re-Creation of the Gods
Sand - Golem
Serge Gainsbourg - L'Histoire de Melody Nelson
Simply Saucer - Here Come the Cyborgs
Sonny Sharrock - Black Woman
Spirogyra - St. Radiguns
Steeleye Span - Now We are Six
Stone Angel - Stone Angel
Suicide - s/t
Sun City Girls - Torch of the Mystics
Syd Barrett - The Madcap Laughs
T.Rex - Electric Warrior
Taj Mahal Travellers - Stockholm 1971
The Cramps - Songs the Lord Taught Us
The Fall - Live at the Witch Trials
The Homosexuals - The Homosexuals Record
The Modern Lovers - s/t
The Pretty Things - SF Sorrow
The Ramones - s/t
The Seeds - The Seeds
The Sound - From The Lion's Mouth
The Strawbs - Grave New World
Third Ear Band - Alchemy
Throbbing Gristle - Third Annual Report
Tom Waits - Rain Dogs
Tonto's Expanding Head Band - Zero Time
VA - The Real Bahamas in Music and Song vol 1
Van Der Graaf Generator - Pawn Hearts
Waldteufel - Heimliches Deutschland
Wire - Pink Flag