What song from the 60s describes the 60s?

There isn't really one song, but you'll get a flavour from all of these:

Big Yellow Taxi - Joni Mitchell
Marrakesh Express - Crosby, Stills and Nash
San Francisco - Scott Mackenzie
Streets of London - Ralph McTell
Another Brick in the Wall - Pink Floyd (not really quite 60's)
She's leaving home - the Beatles
The Times they are a Changing - Dylan
Me and You and a Dog and a dog named Boo - Lobo
Yellow River - Christie
Me and Bobbie McGee - many artists

You can find all of these on Youtube - please tell me which is your favourite (if you have one).

Purple Haze - Jimi Hendrix.
Whole Lotta Love - Led Zeppelin.
All Along The Watchtower - Bob Dylan.
Hey Mr Tambourine Man - The Byrds.
House Of The Rising Sun - The Animals.

Somebody To Love - Jefferson Airplane.
Summertime - Janis Joplin.
Summer In The City - The Lovin' Spoonful.
Itchycoo Park - Small Faces.
Albatross - Fleetwood Mac.