OK. This is tough and not necessarily definitive, but in no particular order :
1. Fairport Convention - Unhalfbricking
2. Van Morrison - Astral Weeks
3. The Band - The Band
4. Pentangle - Basket Of Light
5. Love - Forever Changes
6. Bob Dylan - Bringing It All Back Home
7. The Beatles - White Album
8. Grateful Dead - American Beauty
10. Julian Cope - Peggy Suicide
11. John Martyn - Solid Air
12. Zombies - Odessy And Oracle
13. Incredible String Band - The Hangman's Beautiful Daughter
14. John Coltrane - A Love Supreme
15. The Kinks - Are The Village Green Preservation Society
16. The Doors - Strange Days
17. Stooges - Fun House
18. Soft Machine : 1
19. Caravan : If I Could Do It All Over Again...
20. George Harrison: All Things Must Pass
21. King Crimson : In The Court Of The Crimson King
22. Miles Davis : In A Silent Way
23. Mahavishnu Orchestra : Birds Of Fire
24. Alice Coltrane : Ptah The El Daoud
25. Traffic : Traffic