Add one or more amazing Progressive Rock albums to improve this list:

'In the Court of the Crimson King (1969)' by King Crimson
'Uncle Meat (1969) (First Disk Only)' by The Mothers of Invention
'Stand Up (1969)' by Jethro Tull
'Phallus Dei (1969)' by Amon Düül II
'Ummagumma (1969)' by Pink Floyd
'Monster Movie (1969)' by Can
'Yeti (1970)' by Amon Düül II
'Affenstunde (1970)' by Popol Vuh
'Emerson, Lake & Palmer (1970)' by Emerson, Lake & Palmer
'UFO (1970)' by Guru Guru
'Atom Heart Mother (1970)' by Pink Floyd
'Electronic Meditation (1970)' by Tangerine Dream
'Eruption (1971)' by Kluster
'Tago Mago (1971)' by Can
'Cluster '71 (1971)' by Cluster
'The Yes Album (1971)' by Yes
'Nursery Cryme (1971)' by Genesis
'Ash Ra Tempel (1971)' by Ash Ra Tempel
'In den Gärten Pharaos (1971)' by Popol Vuh
'Close to the Edge (1972)' by Yes
'Thick As a Brick (1972)' by Jethro Tull
'Foxtrot (1972)' by Genesis
'Malesch (1972)' by Agitation Free
'Irrlicht (1972)' by Klaus Schulze
'Neu! (1972)' by Neu!
'Cluster II (1972)' by Cluster
'Captain Beyond (1972)' by Captain Beyond
'Hosianna Mantra (1972)' by Popol Vuh
'Trilogy (1972)' by Emerson, Lake & Palmer
'The Faust Tapes (1973)' by Faust
'Tales From Topographic Oceans (1973)' by Yes
'Neu! 2 (1973)' by Neu!
'2nd (1973)' by Agitation Free
'Future Days (1973)' by Can
'Tubular Bells (1973)' by Mike Oldfield
'Ralf & Florian (1973)' by Kraftwerk
'The Dark Side Of The Moon (1973)' by Pink Floyd
'Brain Salad Surgery (1973)' by Emerson, Lake & Palmer

'Selling England By the Pound (1973)' by Genesis
'Red (1974)' by King Crimson
'Secret Treaties (1974)' by Blue Öyster Cult
'The Lamb Lies Down on Broadway (1974)' by Genesis
'Floating (1974)' by Eloy
'Here Come The Warm Jets (1974)' by Brian Eno
'You (1974)' by Gong
'Timewind (1975)' by Klaus Schulze
'Another Green World (1975)' by Brian Eno
'Neu! '75 (1975)' by Neu!
'Moondawn (1976)' by Klaus Schulze
'La Düsseldorf (1976)' by La Düsseldorf
'Oxygène (1977)' by Jean-Michel Jarre
'X (1978)' by Klaus Schulze
'Exposure (1979)' by Robert Fripp
'Trancefer (1981)' by Klaus Schulze