>Meddle - Pink Floyd
>Dark Side Of the Moon - Pink Floyd
>Court of the Crimson King - King Crimson
>Larks Tongues in Aspic - King Crimson
>Red - King Crimson
>Foxtrot - Genesis
>Close to the Edge - Yes
>Thick as a brick - Jethro Tull
>Aqualung - Jethro Tull
>In the Land of Grey and Pink - Caravan
>Future Days- Can
>Tago Mago - Can
Should I list some more?