Ok, here goes... (in no particular order)
Led Zeppelin III
Genesis - TLLDOB
Frank Zappa - Hot Rats
King Crimson - Court of the Crimson King
Pink Floyd - Atom Heart Mother (I saw them do this in concert!!)
Honorable mention:
Jeff Beck - Truth
Marc-Almond - 1st LP
Robert Fripp - Exposure
Love - Forever Changes
Fleetwood Mac - Then Play On
The Beatles - Rubber Soul & Revolver
Todd Rundgren - Hermit of Mink Hollow
John Mayall - Blues from Laurel Canyon
Jethro Tull - early stuff, up to and including Thick as a Brick
Yes - Time and a Word, The Yes Album & Fragile
Mothers of Invention - Freak Out & Absolutely Free
Traffic - Mr. Fantasy & Shootout at the Fantasy Factory
Pink Floyd - everything up to, but
not including 'Darkside', & The Wall
(plus any of Syd Barrett's recordings)
All of the early Genesis LPs with Perter Gabriel...
(and most of his solo stuff, too)
Anything by Peter Hammill and/or VDGG!!!
I could go on, but I won't...
LOL!!
(yes, I'm basically a 'Prog Head'... and no, there wasn't really any good music past the 70's!! LOL)
Thanks!!