Top 100 Albums (For The Truly Ambitious)

14           Caravan               In the Land of Grey and Pink     Eng        1971     

14           Circus    Movin' On          Swz        1977     

14           Coltrane, John  A Love Supreme              USA       1964     

14           Harmonium       Si on Avait Besoin d'une Cinquieme Saison            Can        1975     

14           Jethro Tull          Thick as a Brick Eng        1972     

14           Nucleus               We'll Talk About It Later               Eng        1971     

14           Out of Focus      Out of Focus      Ger        1971     

14           Pink Floyd           Dark Side of the Moon Eng        1973     

14           Pink Floyd           Wish You Were Here     Eng        1975     

14           Santana               Caravanserai     USA       1972     

14           Schulze, Klaus   Timewind           Ger        1975     

14           Spirit     The Twelve Dreams of Dr. Sardonicus   USA       1970     

14           Supertramp       Crime of the Century    Eng        1974     

13           Anekdoten        Vemod                Swe       1993     

13           Änglagård           Hybris   Swe       1992     

13           Atomic Rooster     -         In Hearing Of     Eng        1971     

13           Black Sabbath   Paranoid             Eng        1970     

13           Buckley, Tim      Starsailor             USA       1970     

13           Cale, John & Terry Riley   -           Church of Anthrax          Var         1970     

13           Caravan          If I Could Do It All Over Again, I'd Do It All Over You    Eng        1970     

13           Collier Music, Graham   Darius   Eng        1974     

13           Coltrane, Alice  Ptah, the El Daoud          USA       1970     

13           Comus  First Utterance                 Eng        1971     

13           Cream  Disraeli Gears    Eng        1967     

13           Davis, Miles       Bitches Brew     USA       1970     

13           Espers  Espers USA       2003     

13           Espers  II             USA       2006     

13           Focus    Hamburger Concerto    Net        1974     

13           Genesis                     Nursery Cryme          Eng        1971     

13           Genesis   Foxtrot             Eng        1972     

13           Genesis               Selling England By The Pound    Eng        1973     

13           Genesis               Trick of the Tail                 Eng        1976     

13           Globalys              Globalys              Bel         2001     

13           Gnidrolog           Lady Lake            Eng        1972     

13           Gong     Angel's Egg         Var         1973     

13           Gong     You        Var         1974     

13           Haikara - Haikara              Fin          1972     

13           Harmonium       Harmonium       Can        1974     

13           Hendrix, Jimi     Electric Ladyland              USA       1968     

13           Hoelderlin          Hoelderlin's Traum         Ger        1971     

13           Höyry-Kone       Huono Parturi   Fin          1997     

13           Jan Dukes de Grey         Mice and Rats in the Loft             Eng        1971     

13           Jefferson Airplane          Crown of Creation          USA       1968     

13           Jethro Tull          Stand Up             Eng        1969     

13           Jumbo  Vietato Ai Minori Di 18 Anni?     Ita          1973     

13           King Crimson     In the Court of the Crimson King             Eng        1969                      

13           King Crimson     Lizard    Eng        1970     

13           King Crimson     Larks Tongues In Aspic Eng        1973     

13           King Crimson     Red        Eng        1974     

13           Lard Free            Gilbert Artman's Lard Free         Fra         1973     

13           Maalouf, Ibrahim            Illusions               Leb        2013     

13           Maalouf, Ibrahim            Red and Black Light        Leb        2015     

13           Magma Hhai / Live          Fra         1975      Live, Zeuhl

13           Mahavishnu Orchestra The Inner Mounting Flame         Var         1971     

13           Mahavishnu Orchestra Birds of Fire       Var         1972     

13           Maneige             Les Porches       Can        1975     

13           Maneige             Maneige             Can        1975     

13           Mingus, Charles               Black Saint & The Sinner Lady    USA       1963     

13           Morrison, Van  Astral Weeks     Ire          1968     

13           Opus-5 - Contre Courant             Can        1976     

13           Out of Focus      Four Letter Monday Afternoon               Ger        1972     

13           Out of Focus      Not Too Late     Ger        1974     

13           Paatos  Timeloss              Swe       2002     

13           Pentangle           Basket of Light Eng        1969     

13           Picchio Dal Pozzo             Picchio Dal Pozzo             Ita          1976     

13           Pink Floyd           Animals               Eng        1977     

13           Plat du Jour        Plat du Jour        Fra         1977     

13           Portishead         Dummy               Eng        1994     

13           Ptarmigan (aka Nordstrom / Dias)           Ptarmigan           Can        1974     

13           Renaissance      Renaissance      Eng        1969     

13           Return to Forever           Hymn of the Seventh Galaxy     USA       1973     

13           Riley, Terry         A Rainbow in Curved Air              USA       1969     

13           Ripaille La Vieille que l'On Brula                Fra         1978     

13           Sahara  Sunrise                Ger        1973     

13           Samla Mammas Manna               - Måltid                Swe       1973     

13           Santana               Borboletta          USA       1974     

13           Savoy Brown     Raw Sienna        Eng        1970     

13           Sloche  J'Un Oeil              Can        1975     

13           Tangerine Dream            Alpha Centauri Ger        1971     

13           Tangerine Dream            Ricochet              Ger        1975     

13           Traffic   The Low Spark of High-Heeled Boys       Eng        1971     

13           Traffic   Shootout at the Fantasy Factory              Eng        1973     

13           Univers Zero     UZED     Bel         1984     

13           Wakeman, Rick The Six Wives of Henry VIII        Eng        1973     

13           Wyatt, Robert   Rock Bottom     Eng        1974     

13           Yes         The Yes Album Eng        1971     

13           Zappa, Frank     Waka / Jawaka USA       1972     

13           Zappa, Frank / The Mothers of Invention            The Grand Wazoo      USA       1972     

12           Collectors, The The Collectors   Can        1968     

12           Colosseum         Valentyne Suite               Eng        1969     

12           Maneige             Libre Service      Can        1978     

12           Marillion              Script For a Jester's Tear              Eng        1983     

12           Marino, Frank & Mahogany Rush            What's Next      Can        1980     

12           Martyn, John    Inside Out          Eng        1973

It's probably lacking a few newer albums (I see Setna's Guérison is missing)

OK, Here's what I came up with. Not all prog & a few guilty pleasures as well.

 Probably more mainstream then a lot of peoples lists here. ( No Italian Prog, sorry)

1.       Moving Pictures – Rush

2.       The Yes Album – Yes

3.       Elegant Gypsy – Al Di Meola

4.       Close to the Edge – Yes

5.       Trick of the Tail – Genesis

6.       Ah Via Musicom – Eric Johnson

7.       Power Windows – Rush

8.       Making Movies – Dire Straits

9.       The White Album – Beatles

10.   In Abstencia _- Porcupine Tree

11.   Who’s Next – The Who

12.   Bring ‘em Back Alive – Dixie Dregs

13.   Animals - Pink Floyd

14.   American Beauty – Grateful Dead

15.   Revolver – Beatles

16.    Nothing Like the Sun – Sting

17.   Scheherazade And Other Stories - Renaissance

18.   Going for the One – Yes

19.   Selling England by the Pound –Genesis

20.   Dark side of the Moon – Pink Floyd

21.   Counterparts – Rush

22.   Blow by Blow – Jeff Beck

23.   Crash – Dave Matthews Band

24.   Eat a Peach  - The Allman Brothers

25.   Duke - Genesis

26.   Permanent Waves  - Rush

27.   Reggatta de Blanc  - The Police

28.   Sticky Fingers  - The Rolling Stones

29.   Tommy – The Who

30.   Fragile – Yes

31.   Wired – Jeff Beck

32.   Wish you Were Here – Pink Floyd

33.   Rumors – Fleetwood Mac

34.   Under the Table & Dreaming – Dave Matthews Band

35.   Exile On Main Street  - Rolling Stones

36.   Synergy – Dave Weckl

37.   Hemispheres – Rush

38.   Absolutely – Rik Emmit

39.   Liquid Tension Experiment – (First album)

40.   Working Man’s Dead – Grateful Dead

41.   Abby Road – Beatles

42.   Breakfast in America – Supertramp

43.   In a Perfect World - Aquarium Rescue Unit

44.   Drama – Yes

45.   Larks' in Tongues Aspic  - King Crimson

46.   The Stranger  - Billy Joel

47.    One Size fits All – Frank Zappa

48.   The Oblivion Particle – Spock’s Beard

49.   Turn of the Cards – Renaissance

50.   Venus Isle – Eric Johnson

51.   Houses of the Holy – Led Zeppelin

52.   Lamb Lies Down on Broadway – Genesis

53.   Quadrophenia  - The Who

54.   Beggar’s Banquet – Rolling Stones

55.   War - U2

56.   90125 – Yes

57.   Darkness on Edge of Town – B. Springsteen

58.   Singles – Rush

59.   Thick as a Brick – Jethro Tull

60.   Fleetwood Mac  - Fleetwood Mac

61.   The Wall – Pink Floyd

62.   Tones – Eric Johnson

63.   Crime of the Century – Supertramp

64.   Live Art – Bela Fleck

65.   Brain Salad Surgery – ELP

66.   Damn the Torpedoes – Tom Petty

67.   Stick It – Buddy Rich

68.   Apostrophe – Frank Zappa

69.   Face the Music - ELO

70.   Ziggy Stardust / Spiders From Mars  - David Bowie

71.   Red – King Crimson

72.   Abacab – Genesis

73.   Sgt. Pepper  - Beatles

74.   Situation Dangerous – Bozzio, Levin,Stevens

75.   Brothers in Arms – Dire Straits

76.   Crest of a Knave – Jethro Tull

77.   Left Overture – Kansas

78.   The Dreaming – Kate Bush

79.   Are You Experienced – Jimi Hendrix

80.   So – Peter Gabriel

81.   Romantic Warrior – Return to Forever

82.   Disraeli Gears – Cream

83.   Joe’s Garage – Frank Zappa

84.   Boston – Boston

85.   Dreamboat Annie – Heart

86.   Surrealistic Pillow – Jefferson Airplane

87.   Zeppelin ll – Led Zeppelin

88.   Hold Your Fire – Rush

89.   The Joshua Tree – U2

90.   Blind Faith – Blind Faith

91.   Zenyatta Mondatta –The Police

92.   Tormado – Yes

93.   Court of the Crimson King – King Crimson

94.   Birds of Fire - Mahavishnu Orchestra

95.   Burgers – Hot Tuna

96.   Presto – Rush

97.   Van Halen – Van Halen

98.   Point of Know Return - Kansas

99.   Six Degrees of Inner Turbulence – Dream Theater

100. Volunteers – Jefferson Airplane