This list is the result of cooperation with my friends from the 
Only Solitaire group. This list wouldn't exist without the help, in form of contributions, of: Dinar Khayrutdinov, Hernan Busso, Ted Esquivel, Jonathan Hopkins, Jonathan Birch, Dominic Linde, B.b. Fultz, Reese Wilson. We cooperated in order to configure the list of 
50 generally greatest albums, which are generally most underrated. Here are our results, in random order:
Van
Morrison - Veedon Fleence
 
Modern
Lovers – self-titled 
 
Frank
Zappa  - Burnt Weeny Sandwich 
 
Queen
– Hot Space
 
Can
– Future Days
 
The
Doors – Waiting for the Sun
 
Dire
Straits - Making Movies 
 
Leonard
Coen – New Skin for the Old Ceremony
 
The
Clash – Sandinista!
 
The
Deer Hunter - the Color of Spectrum
 
Procol
Harum – Grand Hotel
 
Simon&Garfunkel
- Parsley, Sage, Rosemary And Thyme
 
The
Yardbirds - self-titled /Roger the Engineer  
 
Morphine
- Good
 
Bob
Dylan - Another side of 
 
Tim
Buckley  - Happy Sad
 
The
Kinks - Face to Face
 
Iron
Butterfly - In A Gadda Da Vida 
 
Family
- Music In a Doll's House
 
Nazareth
– self-titled
 
Nick
Cave - Tender Prey
 
J.J.
Cale - Naturally 
 
Moody
Blues – Seventh Sojourn 
 
T.
Rex – A beard of Stars
 
Neil
Young - Zuma 
 
Tom
Petty & the Heartbreakers – self-titled
 
Don
Mclean – American Pie
 
Magnetic
Fields - The Charm of the Highway Strip
 
Bruce
Springsteen - The Wild, The Innocent and The E Street Shuffle
 
Deep
Purple - self-titled
 
Pere
Ubu – Modern Dance
 
Faust
– IV
 
Robert
Wyatt - Rock Bottom
 
Gun
Club - Fire of Love
 
Pop
Group - Y
 
Foetus
- Nail
 
U.S.A
– self-titled
 
It’s
a beautiful day – self-titled
 
Violent
Femmes - Hallowed Ground
 
John
Cale – Fear
 
Warren
Zevon - self-titled
 
The Dream Syndicate – Medicine Show
 
Talk
Talk – Colour of Spring
 
The
Monks – Black Monk Time
 
Be
Bop Deluxe – Futurama
 
Pink
Floyd – Saucer Full of Secrets
 
Funkadelic
– America Eats Its Young
 
Cocteau
Twins – Head over Heels
 
Sparks - self-titled
 
Nico
– Desertshore
 
And here's my personal top 11 of the greatest most underrated albums:
Queen
– Hot Space
 
The
Doors – Waiting for the Sun
 
Simon&Garfunkel
- Parsley, Sage, Rosemary And Thyme
 
The
Yardbirds - self-titled /Roger the Engineer  
 
Tim
Buckley  - Happy Sad
 
Morphine
– Good
 
Neil
Young – Zuma
 
Tom
Petty & the Heartbreakers – self-titled
 
It’s
a beautiful day – self-titled
 
Violent
Femmes - Hallowed Ground
 
J.J.
Cale - Naturally