Which of these years in music was best?

?

Cherry-picked selections below.

1966
Sounds of Silence - Simon and Garfunkel
If You Can Believe Your Eyes and Ears - Mamas and Papas
Aftermath - Rolling Stones
Blonde on Blonde - Dylan
Pet Sounds - Beach Boys
Revolver - Beatles
The Monkees - The Monkees
Parsley, Sage, Rosemary and Thyme - Simon and Garfunkel
Buffalo Springfield - Buffalo Springfield
Fresh Cream - Cream

1967
The Doors - The Doors
Surrealistic Pillow - Jefferson Airplane
The Velvet Underground and Nico - The Velvet Underground and Nico
The Grateful Dead - The Grateful Dead
Are You Experienced - Jimi Hendrix Experience
Sgt Pepper's Lonely Hearts Club Band - Beatles
The Piper at the Gates of Dawn - Pink Floyd
Strange Days - The Doors
Buffalo Springfield Again - Buffalo Springfield
Disraeli Gears - Cream
Magical Mystery Tour - The Beatles
Their Satanic Majesties Request - Rolling Stones
John Wesley Harding - Dylan

1968
White Heat/White Light - The Velvet Underground
Bookends - Simon and Garfunkel
In-A-Gadda-Da-Vida - Iron Butterfly
A Saucerful of Secrets - Pink Floyd
Waiting for the Sun - The Doors
Creedence Clearwater Revival - CCR
Anthem of the Sun - Grateful Dead
Shades of Deep Purple - Deep Purple
Electric Ladyland - Jimi Hendrix Experience
The Beatles - The Beatles
Astral Weeks - Van Morrison
Beggars Banquet - Rolling Stones

1969
Bayou Country - CCR
Led Zeppelin - Led Zeppelin
Kick Out the Jams - MC5
From Genesis to Revelation - Genesis
The Velvet Underground - The Velvet Underground
Nashville Skyline - Dylan
Everybody Knows This Is Nowhere - Neil Young and Crazy Horse
Tommy - The Who
Crosby, Stills and Nash - CSN
Trout Mask Replica - Captain Beefheart
Aoxomoxoa - Grateful Dead
Deep Purple - Deep Purple
Yes - Yes
The Stooges - The Stooges
The Band - The Band
Abbey Road - The Beatles
In the Court of the Crimson King - Crimson King
Led Zeppelin II - Led Zeppelin
Ummagumma - Pink Floyd
The Allman Brothers Band - Allman Brothers Band
Space Oddity - David Bowie
Let It Bleed - Rolling Stones